diff --git a/client/src/loclass/elite_crack.h b/client/src/loclass/elite_crack.h
index 8f48dac8a..2ee34a399 100644
--- a/client/src/loclass/elite_crack.h
+++ b/client/src/loclass/elite_crack.h
@@ -121,7 +121,7 @@ void hash2(uint8_t *key64, uint8_t *outp_keytable);
  * @param master_key where to put the master key
  * @return 0 for ok, 1 for failz
  */
-int calculateMasterKey(uint8_t first16bytes[], uint8_t master_key[]);
+int calculateMasterKey(uint8_t first16bytes[], uint8_t kcus[]);
 
 /**
  * @brief Test function
diff --git a/client/src/mifare/mad.h b/client/src/mifare/mad.h
index 5500a5459..822314281 100644
--- a/client/src/mifare/mad.h
+++ b/client/src/mifare/mad.h
@@ -18,6 +18,6 @@ int MADDecode(uint8_t *sector0, uint8_t *sector10, uint16_t *mad, size_t *madlen
 int MAD1DecodeAndPrint(uint8_t *sector, bool swapmad, bool verbose, bool *haveMAD2);
 int MAD2DecodeAndPrint(uint8_t *sector, bool swapmad, bool verbose);
 int MADDFDecodeAndPrint(uint32_t short_aid);
-int MADCardHolderInfoDecode(uint8_t *data, size_t dataLen, bool verbose);
+int MADCardHolderInfoDecode(uint8_t *data, size_t datalen, bool verbose);
 
 #endif // _MAD_H_