diff --git a/python/scripts/cxxtestgen b/python/scripts/cxxtestgen
index 4fb2d79..5aff697 100755
--- a/python/scripts/cxxtestgen
+++ b/python/scripts/cxxtestgen
@@ -11,7 +11,7 @@ except ImportError:
     if sys.version_info < (3,0):
         sys.path.append( os.path.abspath( os.path.sep.join([currdir, '..']) ) )
     else:
-        sys.path.append( os.path.abspath( os.path.sep.join([currdir, '..', python3]) ) )
+        sys.path.append( os.path.abspath( os.path.sep.join([currdir, '..', 'python3']) ) )
 
     import cxxtest.cxxtestgen