diff --git a/inventory/forms.py b/inventory/forms.py
index 1d928a94..381b4bcd 100644
--- a/inventory/forms.py
+++ b/inventory/forms.py
@@ -599,6 +599,13 @@ class VendorForm(forms.ModelForm):
             "logo",
         ]
 
+        unique_together = (
+            ("dealer", "crn"),
+            ("dealer", "vrn"),
+            ("dealer", "email"),
+            ("dealer", "phone_number"),
+        )
+
 
 class CarColorsForm(forms.ModelForm):
     """
diff --git a/inventory/views.py b/inventory/views.py
index 97e765c2..5d4d3503 100644
--- a/inventory/views.py
+++ b/inventory/views.py
@@ -3020,16 +3020,14 @@ class VendorCreateView(
         try:
             form.instance.save()
         except IntegrityError as e:
-            if "UNIQUE constraint" in str(e):
-                messages.error(self.request, _("Email already exists"))
-                logger.error(e)
-                return redirect("vendor_create", dealer_slug=self.kwargs["dealer_slug"])
+            messages.error(self.request, _("Email already exists"))
+            logger.error(e)
+            return redirect("vendor_create", dealer_slug=self.kwargs["dealer_slug"])
         except Exception as e:
             messages.error(self.request, _("Something went wrong"))
             logger.error(e)
             return redirect("vendor_create", dealer_slug=self.kwargs["dealer_slug"])
 
-
         return super().form_valid(form)
 
     def get_success_url(self):