diff --git a/electrum b/electrum
index 9cf57dee4..6490ad515 100755
--- a/electrum
+++ b/electrum
@@ -183,9 +183,8 @@ def run_command(cmd, password=None, args=None):
 
 if __name__ == '__main__':
 
-    #on osx, delete Process Serial Number arg generated for apps launched in Finder
-    if is_bundle == 'macosx_app' and sys.argv[1][:4] == '-psn':
-        del sys.argv[1]
+    # on osx, delete Process Serial Number arg generated for apps launched in Finder
+    sys.argv = filter(lambda x: not x.startswith('-psn'), sys.argv)
 
     wallet = None
     parser = arg_parser()