diff --git a/osc/commandline.py b/osc/commandline.py
index 53b07443..e049cd14 100644
--- a/osc/commandline.py
+++ b/osc/commandline.py
@@ -7840,7 +7840,7 @@ Please submit there instead, or use --nodevelproject to force direct submission.
                 if not extfile.endswith('.py'):
                     continue
                 try:
-                    exec open(os.path.join(plugin_dir, extfile))
+                    exec(open(os.path.join(plugin_dir, extfile)))
                 except SyntaxError as e:
                     if (os.environ.get('OSC_PLUGIN_FAIL_IGNORE')):
                         print >>sys.stderr, "%s: %s\n" % (plugin_dir, e)