diff --git a/common_mips64.h b/common_mips64.h
index 1163413dc..af638d60c 100644
--- a/common_mips64.h
+++ b/common_mips64.h
@@ -73,6 +73,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define MB  __sync_synchronize()
 #define WMB __sync_synchronize()
+#define RMB __sync_synchronize()
 
 #define INLINE inline