diff --git a/lib/url_helper.rb b/lib/url_helper.rb
index caf8e0b67db..425ec50a5f4 100644
--- a/lib/url_helper.rb
+++ b/lib/url_helper.rb
@@ -3,6 +3,7 @@ module UrlHelper
   def is_local(url)
     Discourse.store.has_been_uploaded?(url) ||
     url =~ /^\/assets\// ||
+    url =~ /^\/plugins\// ||
     url.start_with?(Discourse.asset_host || Discourse.base_url_no_prefix)
   end
 
diff --git a/spec/components/url_helper_spec.rb b/spec/components/url_helper_spec.rb
index bc631ab02a0..5b282a31c6a 100644
--- a/spec/components/url_helper_spec.rb
+++ b/spec/components/url_helper_spec.rb
@@ -25,6 +25,13 @@ describe UrlHelper do
       helper.is_local("/assets/javascripts/all.js").should be_true
     end
 
+    it "is true for plugin assets" do
+      store = stub
+      store.expects(:has_been_uploaded?).returns(false)
+      Discourse.stubs(:store).returns(store)
+      helper.is_local("/plugins/all.js").should be_true
+    end
+
   end
 
   describe "#absolute" do