diff --git a/client/src/cmdhfmfdes.c b/client/src/cmdhfmfdes.c
index a3e02c779..609381ace 100644
--- a/client/src/cmdhfmfdes.c
+++ b/client/src/cmdhfmfdes.c
@@ -5218,7 +5218,7 @@ static int CmdHF14ADesGetUID(const char *Cmd) {
         return PM3_ESOFT;
     }
 
-    PrintAndLogEx(SUCCESS, "Desfire UID[%d]: %s", buflen, sprint_hex(buf, buflen));
+    PrintAndLogEx(SUCCESS, "Desfire UID[%zu]: %s", buflen, sprint_hex(buf, buflen));
 
     DropField();
     return PM3_SUCCESS;