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-rw-r--r--libcacard/vcardt.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/libcacard/vcardt.h b/libcacard/vcardt.h
index 538bdde3df..d4d8e2ed18 100644
--- a/libcacard/vcardt.h
+++ b/libcacard/vcardt.h
@@ -26,8 +26,8 @@ typedef struct VCardEmulStruct VCardEmul;
 #define MAX_CHANNEL 4
 
 /* create an ATR with appropriate historical bytes */
-#define VCARD_ATR_PREFIX(size) 0x3b, 0x66+(size), 0x00, 0xff, \
-                               'V', 'C', 'A', 'R', 'D', '_'
+#define VCARD_ATR_PREFIX(size) (0x3b, 0x68+(size), 0x00, 0xff, \
+                               'V', 'C', 'A', 'R', 'D', '_')
 
 
 typedef enum {