diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 627785c48ea95e495389653b5bfdc320967247df..1169d46126aca76674a89bad384f183c8f1b2b5e 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -255,7 +255,7 @@ ia64_init_itm (void)
 	}
 }
 
-static cycle_t itc_get_cycles()
+static cycle_t itc_get_cycles(void)
 {
 	u64 lcycle, now, ret;