diff --git a/services/web/public/coffee/ide/review-panel/ReviewPanelManager.coffee b/services/web/public/coffee/ide/review-panel/ReviewPanelManager.coffee
index 4e0b70768c..9b622ffa05 100644
--- a/services/web/public/coffee/ide/review-panel/ReviewPanelManager.coffee
+++ b/services/web/public/coffee/ide/review-panel/ReviewPanelManager.coffee
@@ -10,5 +10,6 @@ define [
 	"ide/review-panel/directives/resolvedCommentsDropdown"
 	"ide/review-panel/directives/reviewPanelCollapseHeight"
 	"ide/review-panel/filters/notEmpty"
+	"ide/review-panel/filters/numKeys"
 	"ide/review-panel/filters/orderOverviewEntries"
 ], () ->
\ No newline at end of file
diff --git a/services/web/public/coffee/ide/review-panel/filters/numKeys.coffee b/services/web/public/coffee/ide/review-panel/filters/numKeys.coffee
new file mode 100644
index 0000000000..4a37638c1e
--- /dev/null
+++ b/services/web/public/coffee/ide/review-panel/filters/numKeys.coffee
@@ -0,0 +1,5 @@
+define [
+	"base"
+], (App) ->
+	app.filter "numKeys", () ->
+		(object) -> Object.keys(object).length