diff --git a/client/deps/tinycbor/cbor.h b/client/deps/tinycbor/cbor.h
index 238a2717f..081597fec 100644
--- a/client/deps/tinycbor/cbor.h
+++ b/client/deps/tinycbor/cbor.h
@@ -556,8 +556,10 @@ enum CborPrettyFlags {
 };
 
 typedef CborError(*CborStreamFunction)(void *token, const char *fmt, ...)
-#ifdef __GNUC__
-__attribute__((__format__(printf, 2, 3)))
+#if defined(__MINGW32__) || defined(__MINGW64__)
+    __attribute__((format (__MINGW_PRINTF_FORMAT, 2, 3)));
+#elif defined(__GNUC__)
+    __attribute__((__format__(printf, 2, 3)))
 #endif
 ;