diff --git a/cpu-exec.c b/cpu-exec.c
index 5c85c1e..89bf8b8 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -265,11 +265,11 @@
         }
     }
 #elif defined(TARGET_PPC)
-    if (env1->msr[MSR_POW]) {
+    if (env1->halted) {
         if (env1->msr[MSR_EE] && 
             (env1->interrupt_request & 
              (CPU_INTERRUPT_HARD | CPU_INTERRUPT_TIMER))) {
-            env1->msr[MSR_POW] = 0;
+            env1->halted = 0;
         } else {
             return EXCP_HALTED;
         }