diff --git a/gerbmerge/gerbmerge.py b/gerbmerge/gerbmerge.py
index 149baca..e3866fc 100644
--- a/gerbmerge/gerbmerge.py
+++ b/gerbmerge/gerbmerge.py
@@ -719,7 +719,7 @@ def updateGUI(text = None):
   if GUI != None:
     GUI.updateProgress(text)
 
-if __name__=="__main__":
+def main():
   try:
     opts, args = getopt.getopt(sys.argv[1:], 'hv', ['help', 'version', 'octagons=', 'random-search', 'full-search', 'rs-fsjobs=', 'search-timeout=', 'place-file=', 'no-trim-gerber', 'no-trim-excellon'])
   except getopt.GetoptError:
@@ -750,4 +750,7 @@ http://ruggedcircuits.com/gerbmerge
   disclaimer()
   
   sys.exit(merge(opts, args)) ## run germberge
+
+if __name__=="__main__":
+  main()
 # vim: expandtab ts=2 sw=2 ai syntax=python