diff --git a/spec/unit/pushprocessor.spec.js b/spec/unit/pushprocessor.spec.js
index f2406e2d1..78d28473e 100644
--- a/spec/unit/pushprocessor.spec.js
+++ b/spec/unit/pushprocessor.spec.js
@@ -24,6 +24,9 @@ describe('NotificationService', function() {
                             name: testDisplayName,
                         };
                     },
+                    getJoinedMemberCount: function() {
+                        return 0;
+                    },
                     members: {},
                 },
             };