diff --git a/conntrackt/views.py b/conntrackt/views.py
--- a/conntrackt/views.py
+++ b/conntrackt/views.py
@@ -516,7 +516,7 @@ class EntityCreateView(RedirectToNextMix
     # Raise authorisation denied exception for unmet permissions.
     raise_exception = True
 
-    def get_form(self, form_class):
+    def get_form(self, form_class=EntityForm):
         """
         Returns an instance of form that can be used by the view.
 
@@ -643,7 +643,7 @@ class InterfaceCreateView(RedirectToNext
     # Raise authorisation denied exception for unmet permissions.
     raise_exception = True
 
-    def get_form(self, form_class):
+    def get_form(self, form_class=InterfaceForm):
         """
         Returns an instance of form that can be used by the view.
 
@@ -701,7 +701,7 @@ class InterfaceUpdateView(RedirectToNext
     # Raise authorisation denied exception for unmet permissions.
     raise_exception = True
 
-    def get_form(self, form_class):
+    def get_form(self, form_class=InterfaceForm):
         """
         Returns an instance of form that can be used by the view.
 
@@ -799,7 +799,7 @@ class CommunicationCreateView(RedirectTo
     # Raise authorisation denied exception for unmet permissions.
     raise_exception = True
 
-    def get_form(self, form_class):
+    def get_form(self, form_class=CommunicationForm):
         """
         Returns an instance of form that can be used by the view.
 
@@ -890,7 +890,7 @@ class CommunicationUpdateView(RedirectTo
     # Raise authorisation denied exception for unmet permissions.
     raise_exception = True
 
-    def get_form(self, form_class):
+    def get_form(self, form_class=CommunicationForm):
         """
         Returns an instance of form that can be used by the view.