diff --git a/kernel/timer.c b/kernel/timer.c
index b761898..396a3c0 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1368,7 +1368,7 @@
 
 static void process_timeout(unsigned long __data)
 {
-	wake_up_process((task_t *)__data);
+	wake_up_process((struct task_struct *)__data);
 }
 
 /**