diff --git a/src/Composer/Autoload/AutoloadGenerator.php b/src/Composer/Autoload/AutoloadGenerator.php
index 1953e593a..fabcda6a7 100644
--- a/src/Composer/Autoload/AutoloadGenerator.php
+++ b/src/Composer/Autoload/AutoloadGenerator.php
@@ -534,6 +534,10 @@ EOF;
             }
         }
 
+        if (preg_match('/\.phar.+$/', $path)) {
+            $baseDir = "'phar://' . " . $baseDir;
+        }
+
         return $baseDir . (($path !== false) ? var_export($path, true) : "");
     }