diff --git a/xtensa-semi.c b/xtensa-semi.c
index ba0e828b32..5754b7782a 100644
--- a/xtensa-semi.c
+++ b/xtensa-semi.c
@@ -55,7 +55,7 @@ enum {
     SELECT_ONE_EXCEPT = 3,
 };
 
-void HELPER(simcall)(CPUState *env)
+void HELPER(simcall)(CPUXtensaState *env)
 {
     uint32_t *regs = env->regs;