diff --git a/libfreefare/mifare_classic.c b/libfreefare/mifare_classic.c
index a8d32cf..85c7c61 100644
--- a/libfreefare/mifare_classic.c
+++ b/libfreefare/mifare_classic.c
@@ -125,7 +125,7 @@ uint16_t mifare_trailer_access_permissions[] = {
  *   ||,--- C1     |||| |||| |||,-------------------------------- write B
  *   |||           |||| |||| ||||
  * 0b000	0b 0010 1000 1010*/	0x28a,
-/* 0b001 	0b 0001 1100 0000*/	0x1c0,
+/* 0b001 	0b 0001 1100 0001*/	0x1c0,
 /* 0b010	0b 0000 1000 1000*/	0x088,
 /* 0b011	0b 0000 1100 0000*/	0x0c0,
 /* 0b100	0b 0010 1010 1010*/	0x2aa, /* Default (blank card) */