diff --git a/driver/level3/level3_gemm3m_thread.c b/driver/level3/level3_gemm3m_thread.c
index 9216daaed..39824fc5a 100644
--- a/driver/level3/level3_gemm3m_thread.c
+++ b/driver/level3/level3_gemm3m_thread.c
@@ -91,7 +91,7 @@
 #endif
 
 typedef struct {
-#if __STDC_VERSION__ >= 201112L
+#ifdef HAVE_C11
   _Atomic
 #else
   volatile