diff --git a/inventory/views.py b/inventory/views.py
index e730fd94..b8b7ba0c 100644
--- a/inventory/views.py
+++ b/inventory/views.py
@@ -2466,7 +2466,7 @@ class CustomerCreateView(
     success_message = _("Customer created successfully")
 
     def form_valid(self, form):
-        dealer = self.kwargs.get("dealer_slug")
+        dealer = get_object_or_404(models.Dealer, slug=self.kwargs["dealer_slug"])
         if customer := models.Customer.objects.filter(
             dealer=dealer,
             email=form.instance.email
@@ -2690,7 +2690,7 @@ class VendorCreateView(
     permission_required = ["inventory.add_vendor"]
 
     def form_valid(self, form):
-        dealer = self.kwargs["dealer_slug"]
+        dealer = get_object_or_404(models.Dealer, slug=self.kwargs["dealer_slug"])
         if vendor := models.Vendor.objects.filter(dealer=dealer,email=form.instance.email).first():
             if not vendor.active:
                 messages.error(
@@ -3671,7 +3671,7 @@ class OrganizationCreateView(LoginRequiredMixin, PermissionRequiredMixin, Create
     success_message = _("Organization created successfully")
 
     def form_valid(self, form):
-        dealer = self.kwargs["dealer_slug"]
+        dealer = get_object_or_404(models.Dealer, slug=self.kwargs["dealer_slug"])
         if organization := models.Organization.objects.filter(
             dealer=dealer,
             email=form.instance.email