diff --git a/cpu-exec.c b/cpu-exec.c
index 0f317574f3..053c0cc5dd 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -903,7 +903,7 @@ typedef struct ucontext SIGCONTEXT;
 # define TRAP_sig(context)			EXCEPREG_sig(exception, context) /* number of powerpc exception taken */
 #endif /* __APPLE__ */
 
-int cpu_signal_handler(int host_signum, siginfo *info, 
+int cpu_signal_handler(int host_signum, struct siginfo *info, 
                        void *puc)
 {
     struct ucontext *uc = puc;