diff --git a/client/src/cmdhficlass.c b/client/src/cmdhficlass.c
index eecf4c3f9..e74475e2e 100644
--- a/client/src/cmdhficlass.c
+++ b/client/src/cmdhficlass.c
@@ -976,7 +976,7 @@ static int CmdHFiClassReader_Replay(const char *Cmd) {
     FillFileNameByUID(filename, tag_data, "-dump", 8);
 
     // save the dump to .bin file
-    PrintAndLogEx(SUCCESS, "saving dump file - %zu blocks read", bytes_got / 8);
+    PrintAndLogEx(SUCCESS, "saving dump file - %u blocks read", bytes_got / 8);
     saveFile(filename, ".bin", tag_data, bytes_got);
     saveFileEML(filename, tag_data, bytes_got, 8);
     saveFileJSON(filename, jsfIclass, tag_data, bytes_got, NULL);
@@ -1855,7 +1855,7 @@ write_dump:
     }
 
     // save the dump to .bin file
-    PrintAndLogEx(SUCCESS, "saving dump file - %zu blocks read", bytes_got / 8);
+    PrintAndLogEx(SUCCESS, "saving dump file - %u blocks read", bytes_got / 8);
     saveFile(filename, ".bin", tag_data, bytes_got);
     saveFileEML(filename, tag_data, bytes_got, 8);
     saveFileJSON(filename, jsfIclass, tag_data, bytes_got, NULL);
diff --git a/client/src/cmdtrace.c b/client/src/cmdtrace.c
index 3458fbad5..567e1f9ab 100644
--- a/client/src/cmdtrace.c
+++ b/client/src/cmdtrace.c
@@ -202,7 +202,7 @@ static uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *tr
     data_len = hdr->data_len;
 
     if (tracepos + TRACELOG_HDR_LEN + data_len + TRACELOG_PARITY_LEN(hdr) > traceLen) {
-        PrintAndLogEx(DEBUG, "trace pos offset %d larger than reported tracelen %d", tracepos + TRACELOG_HDR_LEN + data_len + TRACELOG_PARITY_LEN(hdr), traceLen);
+        PrintAndLogEx(DEBUG, "trace pos offset %u larger than reported tracelen %u", tracepos + TRACELOG_HDR_LEN + data_len + TRACELOG_PARITY_LEN(hdr), traceLen);
         return traceLen;
     }