diff --git a/client/mifare/mad.c b/client/mifare/mad.c
index 5cf3e1852..fe41ac032 100644
--- a/client/mifare/mad.c
+++ b/client/mifare/mad.c
@@ -181,7 +181,7 @@ int MADCheck(uint8_t *sector0, uint8_t *sector10, bool verbose, bool *haveMAD2)
         if (!res)
             res = res2;
 
-        if (verbose & !res2)
+        if (verbose && !res2)
             PrintAndLogEx(NORMAL, "CRC8-MAD2 OK.");
     }