diff --git a/kernel/power/main.c b/kernel/power/main.c
index 350b485b3b60bdc7679cbd9963ef4ba4b64ed4f3..2a46b6d62f76ec93d51456b40f46cc4cc3f8260e 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -128,7 +128,7 @@ void __attribute__ ((weak)) arch_suspend_enable_irqs(void)
  *
  *	This function should be called after devices have been suspended.
  */
-int suspend_enter(suspend_state_t state)
+static int suspend_enter(suspend_state_t state)
 {
 	int error = 0;