diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 691f04cc5..4ffb9d222 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -103,6 +103,10 @@ protected
   def normalize_search
     if request.get?
       params[:search] ||= {}
+      changed = params[:search].reject! {|k,v| v.blank?}
+      unless changed.nil?
+        redirect_to params
+      end
     end
   end