diff --git a/lib/server/object.js b/lib/server/object.js
index bd1e94d4..adea82d9 100644
--- a/lib/server/object.js
+++ b/lib/server/object.js
@@ -185,9 +185,9 @@ exports.Minify={
                 };
                     
                 lOptimizeParams = lArrayCopy_f(lJSFiles);
-                lOptimizeParams[0] += this.LIBDIR + lOptimizeParams[0];
+                lOptimizeParams[0] = this.LIBDIR + lOptimizeParams[0];
                 for(var i = 1; i< lOptimizeParams.length; i++)
-                    lOptimizeParams[i] += this.LIBDIRCLIENT + lOptimizeParams[i];
+                    lOptimizeParams[i] = this.LIBDIRCLIENT + lOptimizeParams[i];
                 
                 lOptimizeParams[lOptimizeParams.length] = {
                         'client.js': lPostProcessing_f};