diff --git a/Mac/Tools/IDE/PackageManager.py b/Mac/Tools/IDE/PackageManager.py
index 76a184f..5b0cec2 100755
--- a/Mac/Tools/IDE/PackageManager.py
+++ b/Mac/Tools/IDE/PackageManager.py
@@ -182,7 +182,7 @@
         if filename:
             filename = urllib.pathname2url(filename)
             if filename[:5] != 'file:':
-            	filename = 'file:' + filename
+                filename = 'file:' + filename
             self.opendoc(filename)
 
     def domenu_openURL(self, *args):