diff --git a/rowers/views/analysisviews.py b/rowers/views/analysisviews.py
index d493f6b5..d8727522 100644
--- a/rowers/views/analysisviews.py
+++ b/rowers/views/analysisviews.py
@@ -4492,7 +4492,7 @@ def alert_edit_view(request,id=0,userid=0):
         raise Http404("This alert doesn't exist")
 
 
-    if not alert.manager != request.user:
+    if alert.manager != request.user:
         raise PermissionDenied('You are not allowed to edit this Alert')
 
     FilterFormSet = formset_factory(ConditionEditForm, formset=BaseConditionFormSet,extra=0)