diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index b0c1db9661..d83086e14a 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -1,5 +1,5 @@
-DEF_HELPER_3(raise_exception_err, void, env, i32, i32)
-DEF_HELPER_2(raise_exception, void, env, i32)
+DEF_HELPER_FLAGS_3(raise_exception_err, TCG_CALL_NO_WG, void, env, i32, i32)
+DEF_HELPER_FLAGS_2(raise_exception, TCG_CALL_NO_WG, void, env, i32)
 DEF_HELPER_4(tw, void, env, tl, tl, i32)
 #if defined(TARGET_PPC64)
 DEF_HELPER_4(td, void, env, tl, tl, i32)