diff --git a/qemu/target/arm/helper-a64.h b/qemu/target/arm/helper-a64.h
index bc4c377a..62ef2eca 100644
--- a/qemu/target/arm/helper-a64.h
+++ b/qemu/target/arm/helper-a64.h
@@ -90,7 +90,7 @@ DEF_HELPER_2(advsimd_f16touinth, i32, f16, ptr)
 DEF_HELPER_2(sqrt_f16, f16, f16, ptr)
 
 DEF_HELPER_2(exception_return, void, env, i64)
-DEF_HELPER_2(dc_zva, void, env, i64)
+DEF_HELPER_FLAGS_2(dc_zva, TCG_CALL_NO_WG, void, env, i64)
 
 DEF_HELPER_FLAGS_3(pacia, TCG_CALL_NO_WG, i64, env, i64, i64)
 DEF_HELPER_FLAGS_3(pacib, TCG_CALL_NO_WG, i64, env, i64, i64)