diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 00c6dce14bd2..55930ca498e9 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -387,12 +387,12 @@ void text_poke_sync(void)
 {
 }
 
-#ifdef CONFIG_PM_SLEEP
 void uml_pm_wake(void)
 {
 	pm_system_wakeup();
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int init_pm_wake_signal(void)
 {
 	/*