diff --git a/common_mips.h b/common_mips.h
index 35bff5083..2cc923043 100644
--- a/common_mips.h
+++ b/common_mips.h
@@ -35,6 +35,7 @@ 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