diff --git a/contracts/models.py b/contracts/models.py
index 1c1ca21b41261f43ddabe2ae3680cc2d1d70ae47..8dccd010af8591b328ebb378774ace725f8a8262 100644
--- a/contracts/models.py
+++ b/contracts/models.py
@@ -607,16 +607,13 @@ class Contract(NameStrMixin, models.Model):
                 {"cost_amount": "Nemůže být definováno bez jednoty nákladů."}
             )
 
-        if self.cost_unit == self.CostUnits.OTHER[1] and self.cost_unit_other is None:
+        if self.cost_unit == self.CostUnits.OTHER[1] and not self.cost_unit_other:
             raise ValidationError(
                 {
                     "cost_unit_other": "Musí být definováno, pokud je vybrána jednotka nákladů 'jiné'."
                 }
             )
-        elif (
-            self.cost_unit != self.CostUnits.OTHER[1]
-            and self.cost_unit_other is not None
-        ):
+        elif self.cost_unit != self.CostUnits.OTHER[1] and self.cost_unit_other:
             raise ValidationError(
                 {
                     "cost_unit_other": "Nemůže být definováno, pokud není vybrána jednotka nákladů 'jiné'."
diff --git a/contracts/templates/contracts/index.html b/contracts/templates/contracts/index.html
index 834f0daf72e8354a96d925971d24754a6b53ba9d..be8f19368dbd3a8b019ba6004f4b35e5276a24ce 100644
--- a/contracts/templates/contracts/index.html
+++ b/contracts/templates/contracts/index.html
@@ -60,6 +60,7 @@
         <h2 class="head-alt-md font-bold">
             Všechny smlouvy
         </h2>
+
         {% if request.user.can_create_contracts %}
             <a
                 class="btn btn--inline-icon"