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-rw-r--r--cards/iso_7816_4_card.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/cards/iso_7816_4_card.py b/cards/iso_7816_4_card.py
index 521012b..ed61943 100644
--- a/cards/iso_7816_4_card.py
+++ b/cards/iso_7816_4_card.py
@@ -128,7 +128,7 @@ class ISO_7816_4_Card(Card):
"""Select an application on the card.
application can be given either as hexadecimal aid or by symbolic name (if known)."""
- s = [a for a,b in self.APPLICATIONS.items() if b[0].lower() == application.lower()]
+ s = [a for a,b in self.APPLICATIONS.items() if b[0] is not None and b[0].lower() == application.lower()]
if len(s) > 0:
aid = s[0]
else: