diff --git a/target-i386/helper.h b/target-i386/helper.h
index 0f02103..ab6af63 100644
--- a/target-i386/helper.h
+++ b/target-i386/helper.h
@@ -69,13 +69,13 @@
 DEF_HELPER_1(sti, void, env)
 DEF_HELPER_1(set_inhibit_irq, void, env)
 DEF_HELPER_1(reset_inhibit_irq, void, env)
-DEF_HELPER_2(boundw, void, tl, int)
-DEF_HELPER_2(boundl, void, tl, int)
+DEF_HELPER_3(boundw, void, env, tl, int)
+DEF_HELPER_3(boundl, void, env, tl, int)
 DEF_HELPER_1(rsm, void, env)
 DEF_HELPER_2(into, void, env, int)
-DEF_HELPER_1(cmpxchg8b, void, tl)
+DEF_HELPER_2(cmpxchg8b, void, env, tl)
 #ifdef TARGET_X86_64
-DEF_HELPER_1(cmpxchg16b, void, tl)
+DEF_HELPER_2(cmpxchg16b, void, env, tl)
 #endif
 DEF_HELPER_1(single_step, void, env)
 DEF_HELPER_1(cpuid, void, env)