diff --git a/tools/mf_nonce_brute/protocol.h b/tools/mf_nonce_brute/protocol.h
index 50784392f..1eda47986 100644
--- a/tools/mf_nonce_brute/protocol.h
+++ b/tools/mf_nonce_brute/protocol.h
@@ -6,8 +6,8 @@
 
 #define MIFARE_AUTH_KEYA        0x60
 #define MIFARE_AUTH_KEYB        0x61
-#define MIFARE_CMD_INC          0xC0
-#define MIFARE_CMD_DEC          0xC1
+#define MIFARE_CMD_DEC          0xC0
+#define MIFARE_CMD_INC          0xC1
 #define MIFARE_CMD_RESTORE      0xC2
 #define MIFARE_CMD_TRANSFER     0xB0