diff --git a/lib/fileprocessor.js b/lib/fileprocessor.js
index a4fd3f1..1b61c71 100644
--- a/lib/fileprocessor.js
+++ b/lib/fileprocessor.js
@@ -195,6 +195,10 @@ FileProcessor.prototype.replaceWithRevved = function replaceWithRevved(lines, as
 
       debug('Found file \'%s\'', file);
 
+      if (src === '/') {
+        return match;
+      }
+
       var res = match.replace(src, filterOut(file));
       if (srcFile !== file) {
         self.log(match + ' changed to ' + res);