diff --git a/thirdparty/mbedtls/library/aesni.h b/thirdparty/mbedtls/library/aesni.h
index 3359cfe94f..b6f7257833 100644
--- a/thirdparty/mbedtls/library/aesni.h
+++ b/thirdparty/mbedtls/library/aesni.h
@@ -34,7 +34,8 @@
 
 #if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) &&  \
     ( defined(__amd64__) || defined(__x86_64__) )   &&  \
-    ! defined(MBEDTLS_HAVE_X86_64)
+    ! defined(MBEDTLS_HAVE_X86_64) && \
+    ! defined(__TINYC__)
 #define MBEDTLS_HAVE_X86_64
 #endif