diff --git a/src/Composer/Autoload/AutoloadGenerator.php b/src/Composer/Autoload/AutoloadGenerator.php
index aeebd1f99..57f110a97 100644
--- a/src/Composer/Autoload/AutoloadGenerator.php
+++ b/src/Composer/Autoload/AutoloadGenerator.php
@@ -309,8 +309,8 @@ EOF;
             $baseDir = '$vendorDir . ';
         }
 
-        if(preg_match('/\.phar$/', $path)){
-            $baseDir = '"phar://" . ' . $baseDir;
+        if (preg_match('/\.phar$/', $path)){
+            $baseDir = "'phar://' . '" . $baseDir;
         }
 
         return $baseDir.var_export($path, true);