diff --git a/pySim-prog.py b/pySim-prog.py
index 3f506de4..db9c3275 100755
--- a/pySim-prog.py
+++ b/pySim-prog.py
@@ -723,6 +723,7 @@ def process_card(scc, opts, first, ch):
             card.erase()
             card.reset()
 
+    cp = None
     # Generate parameters
     if opts.source == 'cmdline':
         cp = gen_parameters(opts)