diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index afe0265612..69801d0433 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6049,7 +6049,7 @@ GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC)
 }
 
 /* mbar replaces eieio on 440 */
-GEN_HANDLER(mbar, 0x1F, 0x16, 0x13, 0x001FF801, PPC_BOOKE)
+GEN_HANDLER(mbar, 0x1F, 0x16, 0x1a, 0x001FF801, PPC_BOOKE)
 {
     /* interpreted as no-op */
 }