diff --git a/target/ppc/machine.c b/target/ppc/machine.c
index 24117e8f31..e475206c6a 100644
--- a/target/ppc/machine.c
+++ b/target/ppc/machine.c
@@ -300,9 +300,9 @@ static int cpu_post_load(void *opaque, int version_id)
         ppc_store_sdr1(env, env->spr[SPR_SDR1]);
     }
 
-    /* Invalidate all msr bits except MSR_TGPR/MSR_HVB before restoring */
+    /* Invalidate all supported msr bits except MSR_TGPR/MSR_HVB before restoring */
     msr = env->msr;
-    env->msr ^= ~((1ULL << MSR_TGPR) | MSR_HVB);
+    env->msr ^= env->msr_mask & ~((1ULL << MSR_TGPR) | MSR_HVB);
     ppc_store_msr(env, msr);
 
     hreg_compute_mem_idx(env);