diff --git a/donate/blocks.py b/donate/blocks.py
index 6dcf2c5caee3a300716d927dd059df69b9568f4f..9bbeb34badab7b9b049ea7be667c4f5a51ec0e40 100644
--- a/donate/blocks.py
+++ b/donate/blocks.py
@@ -1,19 +1,7 @@
-from django.forms.utils import ErrorList
 from wagtail.blocks import CharBlock, DateBlock, IntegerBlock, ListBlock, StructBlock
-from wagtail.blocks.struct_block import StructBlockValidationError
 from wagtail.images.blocks import ImageChooserBlock
 
 
-class CrowdfundingVariantBlock(StructBlock):
-    reward_id = IntegerBlock(label="ID odměny")
-    title = CharBlock(
-        label="Název varianty", max_length=12, help_text="Například velikost: S"
-    )
-
-    class Meta:
-        icon = "radio-empty"
-
-
 class CrowdfundingRewardBlock(StructBlock):
     title = CharBlock(label="Název odměny")
     description = CharBlock(label="Popis", max_length=255, required=False)
@@ -22,26 +10,14 @@ class CrowdfundingRewardBlock(StructBlock):
     delivery_date = DateBlock(label="Datum dodání", required=False)
     reward_id = IntegerBlock(
         label="ID odměny",
-        help_text="Vyplňte pouze v případě, že odměna nemá varianty",
-        required=False,
-    )
-    crm_product_description = CharBlock(
-        label="Popis produktu pro CRM",
-        help_text='Bude předán systému v parametru "product"',
-        required=False,
+        required=True,
     )
     variant_list = ListBlock(
-        CrowdfundingVariantBlock(), label="Varianty", required=False
+        CharBlock(label="Varianta", max_length=12, help_text="Například velikost: S"),
+        label="Varianty",
     )
 
     class Meta:
         template = "donate/blocks/crowdfunding_reward_block.html"
         icon = "pick"
         label = "Odměna"
-
-    def clean(self, value):
-        errors = {}
-        if not value["reward_id"] and not value["variant_list"]:
-            errors["reward_id"] = ErrorList(["Musíte vyplnit ID odměny"])
-            raise StructBlockValidationError(errors)
-        return super().clean(value)
diff --git a/donate/forms.py b/donate/forms.py
index a329d75bb3e5851aea06d2c3d936a5f78f047e7c..bb68cf76499cf931d9b5595971d75488a28a8148 100644
--- a/donate/forms.py
+++ b/donate/forms.py
@@ -2,6 +2,7 @@ import urllib.parse
 
 from django import forms
 from django.conf import settings
+from django.utils.text import slugify
 
 
 class DonateForm(forms.Form):
@@ -21,6 +22,8 @@ class DonateForm(forms.Form):
         value = self.cleaned_data["periodicity"]
         if value not in self.ALLOWED_PERIODICITY:
             raise forms.ValidationError("Wrong periodicity!")
+        if self.cleaned_data["crowdfunding"] and value != 99999:
+            raise forms.ValidationError("Wrong periodicity!")
         return value
 
     def clean(self):
@@ -32,6 +35,10 @@ class DonateForm(forms.Form):
             raise forms.ValidationError("Není zadán účel daru.")
         if not cleaned_data["amount"] and not cleaned_data["custom_amount"]:
             raise forms.ValidationError("Nebyla zadána částka.")
+        if cleaned_data["crowdfunding"] and not cleaned_data["product"]:
+            raise forms.ValidationError("Nebyla zadána produkt.")
+        if cleaned_data["product"] and not cleaned_data["crowdfunding"]:
+            raise forms.ValidationError("Nebyla zadána typ odměny.")
         return cleaned_data
 
     def get_amount(self):
@@ -60,9 +67,8 @@ class DonateForm(forms.Form):
         }
 
         if crowdfunding:
-            query_dict.update(crowdfunding=crowdfunding)
-            if product:
-                query_dict.update(product=product)
+            product = slugify(product)
+            query_dict.update(crowdfunding=crowdfunding, product=product)
 
         query = urllib.parse.urlencode(query_dict)
 
diff --git a/donate/migrations/0024_donateprojectpage_crowdfunding.py b/donate/migrations/0024_donateprojectpage_crowdfunding.py
index cee136b861c536f30333db4a13fe8d1edaeef284..74a075c256fc0aeb7fbe52d2f4dbfb8165b3dc1b 100644
--- a/donate/migrations/0024_donateprojectpage_crowdfunding.py
+++ b/donate/migrations/0024_donateprojectpage_crowdfunding.py
@@ -1,4 +1,4 @@
-# Generated by Django 4.0.4 on 2022-07-26 10:35
+# Generated by Django 4.0.4 on 2022-07-31 05:26
 
 import wagtail.blocks
 import wagtail.fields
@@ -48,42 +48,18 @@ class Migration(migrations.Migration):
                                 (
                                     "reward_id",
                                     wagtail.blocks.IntegerBlock(
-                                        help_text="Vyplňte pouze v případě, že odměna nemá varianty",
-                                        label="ID odměny",
-                                        required=False,
-                                    ),
-                                ),
-                                (
-                                    "crm_product_description",
-                                    wagtail.blocks.CharBlock(
-                                        help_text='Bude předán systému v parametru "product"',
-                                        label="Popis produktu pro CRM",
-                                        required=False,
+                                        label="ID odměny", required=True
                                     ),
                                 ),
                                 (
                                     "variant_list",
                                     wagtail.blocks.ListBlock(
-                                        wagtail.blocks.StructBlock(
-                                            [
-                                                (
-                                                    "reward_id",
-                                                    wagtail.blocks.IntegerBlock(
-                                                        label="ID odměny"
-                                                    ),
-                                                ),
-                                                (
-                                                    "title",
-                                                    wagtail.blocks.CharBlock(
-                                                        help_text="Například velikost: S",
-                                                        label="Název varianty",
-                                                        max_length=12,
-                                                    ),
-                                                ),
-                                            ]
+                                        wagtail.blocks.CharBlock(
+                                            help_text="Například velikost: S",
+                                            label="Varianta",
+                                            max_length=12,
                                         ),
                                         label="Varianty",
-                                        required=False,
                                     ),
                                 ),
                             ]
diff --git a/donate/templates/donate/blocks/crowdfunding_reward_block.html b/donate/templates/donate/blocks/crowdfunding_reward_block.html
index 59c54796b2173eac91e543dc5633b14f0b007db6..2b9b26389ada4f2806adec5f5af6b3be5cc1d058 100644
--- a/donate/templates/donate/blocks/crowdfunding_reward_block.html
+++ b/donate/templates/donate/blocks/crowdfunding_reward_block.html
@@ -6,7 +6,7 @@
         <input type="hidden" name="portal_project_id" value="{{ page.portal_project_id }}">
         <input type="hidden" name="periodicity" value="99999">
         <input type="hidden" name="amount" value="{{ self.amount }}">
-        <input type="hidden" name="product" value="{{ self.crm_product_description }}">
+        <input type="hidden" name="crowdfunding" value="{{ self.reward_id }}">
         <h3 class="lead mb-3">{{ self.title }}</h3>
         <div class="row">
             <figure class="col-12 col-md-7">
@@ -15,22 +15,24 @@
             </figure>
             <div class="col-12 col-md-5">
                 {{ self.description }}<br>
-                {% if self.variant_list %}
-                    <small>Zvolte si varaintu:</small>
-                    {% for variant in self.variant_list %}
-                        <div class="custom-control form-control-md custom-radio">
-                            <input type="radio" id="reward-{{ variant.reward_id }}" name="crowdfunding"
-                                   value="{{ variant.reward_id }}"
-                                   class="custom-control-input form-control-md" required>
-                            <label class="custom-control-label col-form-label-lg"
-                                   for="reward-{{ variant.reward_id }}">{{ variant.title }}</label>
-                        </div>
-                    {% endfor %}
-
+                    {% if self.variant_list %}
+                        <small>Zvolte si varaintu:</small>
+                        {% for variant in self.variant_list %}
+                            <div class="custom-control form-control-md custom-radio">
+                                <input type="radio" id="product-{{ forloop.counter }}" name="product"
+                                       value="{{ self.title }}-{{ variant }}"
+                                       class="custom-control-input form-control-md" required>
+                                <label class="custom-control-label col-form-label-lg"
+                                       for="product-{{ forloop.counter }}">{{ variant }}</label>
+                            </div>
+                        {% endfor %}
                     {% else %}
-                    <input id="reward-{{ self.reward_id }}" name="crowdfunding"
-                                   value="{{ self.reward_id }}" hidden
-                                   class="custom-control-input form-control-md" required>
+                        <input name="product"
+                               value="{{ self.title }}"
+                               hidden
+                               class="custom-control-input form-control-md"
+                               required
+                        >
                 {% endif %}
             </div>
         </div>
@@ -38,10 +40,12 @@
             <div class="col-7 mb-2 mb-md-0">
                 <button type="submit" class="btn btn-danger btn-md">Darovat {{ self.amount }}&nbsp;Kč</button>
             </div>
-            <p class="col-12 col-md-5">
-                Dodání do: <br>
-                <time datetime="2019-06-18">{{ self.delivery_date|date:"d. m. Y" }}</time>
-            </p>
+            {% if self.delivery_date %}
+                <p class="col-12 col-md-5">
+                    Dodání do: <br>
+                    <time datetime="2019-06-18">{{ self.delivery_date|date:"d. m. Y" }}</time>
+                </p>
+            {% endif %}
         </div>
     </form>
 </div>