diff --git a/lib/fittingTypes/user.js b/lib/fittingTypes/user.js
index 90295bf..27e02d0 100644
--- a/lib/fittingTypes/user.js
+++ b/lib/fittingTypes/user.js
@@ -22,8 +22,8 @@ module.exports = function createFitting(pipes, fittingDef) {
     } catch (err) {
       if (err.code !== 'MODULE_NOT_FOUND') { throw err; }
       var pathFromError = err.message.match(/'.*?'/)[0];
-      var split = pathFromError.split(path.sep);
-      if (split[split.length - 1] === fittingDef.name + "'") {
+      var fittingIndex = err.message.indexOf(fittingDef.name);
+      if (err.message[fittingIndex - 1] === path.sep && err.message[fittingDef.name.length] !== path.sep) {
         debug('no user fitting %s in %s', fittingDef.name, dir);
       } else {
         throw err;