diff --git a/app/coffee/modules/backlog/main.coffee b/app/coffee/modules/backlog/main.coffee
index e02d83f3..caac26c7 100644
--- a/app/coffee/modules/backlog/main.coffee
+++ b/app/coffee/modules/backlog/main.coffee
@@ -235,8 +235,8 @@ class BacklogController extends mixOf(taiga.Controller, taiga.PageMixin, taiga.F
         @scope.oldSelectedStatuses = selectedStatuses
 
         @scope.filtersQOld = @scope.filtersQ
-        @scope.filtersQ = ""
-        @.replaceFilter("q", null)
+        @scope.filtersQ = undefined
+        @.replaceFilter("q", @scope.filtersQ)
 
         _.each [selectedTags, selectedStatuses], (filterGrp) =>
             _.each filterGrp, (item) =>