diff --git a/horizon/tabs/views.py b/horizon/tabs/views.py
index e959a267b3..92b3b6cf46 100644
--- a/horizon/tabs/views.py
+++ b/horizon/tabs/views.py
@@ -138,14 +138,16 @@ class TabbedTableView(tables.MultiTableMixin, TabView):
 
     def post(self, request, *args, **kwargs):
         # Direct POST to it's appropriate tab
-        targetslug = request.POST['action'].split('__')[0]
-        tabs = self.get_tabs(self.request, **self.kwargs).get_tabs()
-        matches = [tab for tab in tabs if tab.slug == targetslug]
-        if matches:
-            # Call POST on first match only. There shouldn't be a case where
-            # multiple tabs have the same slug and processing the request twice
-            # could lead to unpredictable behavior.
-            matches[0].post(request, *args, **kwargs)
+        # Note some table actions like filter do not have an 'action'
+        if 'action' in request.POST:
+            targetslug = request.POST['action'].split('__')[0]
+            tabs = self.get_tabs(self.request, **self.kwargs).get_tabs()
+            matches = [tab for tab in tabs if tab.slug == targetslug]
+            if matches:
+                # Call POST on first match only. There shouldn't be a case
+                # where multiple tabs have the same slug and processing the
+                # request twice could lead to unpredictable behavior.
+                matches[0].post(request, *args, **kwargs)
 
         # GET and POST handling are the same
         return self.get(request, *args, **kwargs)