diff --git a/driver/others/blas_server.c b/driver/others/blas_server.c
index 04b614a6e..756e51b5d 100644
--- a/driver/others/blas_server.c
+++ b/driver/others/blas_server.c
@@ -141,7 +141,7 @@ typedef struct {
 
 } thread_status_t;
 
-#if (__STDC_VERSION__ >= 201112L)
+#ifdef HAVE_C11
 #define	atomic_load_queue(p)		__atomic_load_n(p, __ATOMIC_RELAXED)
 #define	atomic_store_queue(p, v)	__atomic_store_n(p, v, __ATOMIC_RELAXED)
 #else