diff --git a/lib/gen_plug_in.py b/lib/gen_plug_in.py
index 1bd70a1..2cfd3e0 100755
--- a/lib/gen_plug_in.py
+++ b/lib/gen_plug_in.py
@@ -6,7 +6,11 @@
 
 import sys
 import os
-import commands
+try:
+    import commands
+except ImportError:
+    import subprocess
+
 import glob
 
 import gen_print as gp