diff --git a/lib/brakeman/processors/lib/route_helper.rb b/lib/brakeman/processors/lib/route_helper.rb
index f2fb3802ed0d5e8bf25f5a8f88e549199cb78345..a199fbd338d04923de4b85b182277b26ec25e584 100644
--- a/lib/brakeman/processors/lib/route_helper.rb
+++ b/lib/brakeman/processors/lib/route_helper.rb
@@ -23,12 +23,19 @@ module Brakeman::RouteHelper
 
   #Add default routes
   def add_resources_routes
-    @tracker.routes[@current_controller].merge [:index, :new, :create, :show, :edit, :update, :destroy]
-  end
+    existing_routes = @tracker.routes[@current_controller]
 
+    unless existing_routes.is_a? Array and existing_routes.first == :allow_all_actions
+      existing_routes.merge [:index, :new, :create, :show, :edit, :update, :destroy]
+    end
+  end
 
   #Add default routes minus :index
   def add_resource_routes
-    @tracker.routes[@current_controller].merge [:new, :create, :show, :edit, :update, :destroy]
+    existing_routes = @tracker.routes[@current_controller]
+
+    unless existing_routes.is_a? Array and existing_routes.first == :allow_all_actions
+      existing_routes.merge [:new, :create, :show, :edit, :update, :destroy]
+    end
   end
 end