1 files changed, 3 insertions, 4 deletions
diff --git a/src/mutex_unix.c b/src/mutex_unix.c
index e181ba5bd..78fba1d81 100644
--- a/src/mutex_unix.c
+++ b/src/mutex_unix.c
@@ -84,11 +84,10 @@ static int pthreadMutexNotheld(sqlite3_mutex *p){
 ** Try to provide a memory barrier operation, needed for initialization only.
 */
 void sqlite3MemoryBarrier(void){
-#if defined(__GNUC__)
-  __sync_synchronize();
-#endif
-#ifdef SQLITE_MEMORY_BARRIER
+#if defined(SQLITE_MEMORY_BARRIER)
   SQLITE_MEMORY_BARRIER;
+#elif defined(__GNUC__)
+  __sync_synchronize();
 #endif
 }