diff --git a/pySim-prog.py b/pySim-prog.py
index 04fb7c90..d057a51e 100755
--- a/pySim-prog.py
+++ b/pySim-prog.py
@@ -33,7 +33,7 @@ import sys
 
 try:
 	import json
-except Importerror:
+except ImportError:
 	# Python < 2.5
 	import simplejson as json