diff --git a/lib/source_url.rb b/lib/source_url.rb
index 9c7a49941d..c089d18eb6 100644
--- a/lib/source_url.rb
+++ b/lib/source_url.rb
@@ -5,10 +5,9 @@ class SourceURL < Tilt::Template
   end
 
   def evaluate(scope, locals, &block)
-    code = ""
-    code << "eval("
+    code = "eval("
     code << data.inspect
-    code << " + \"\\n//@ sourceURL=/'#{scope.logical_path}'\""
+    code << " + \"\\n//# sourceURL=#{scope.logical_path}\""
     code << ");\n"
     code
   end