diff --git a/kernel/fork.c b/kernel/fork.c
index aebb3e6c96dc..26a1aa890de5 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -371,7 +371,7 @@ static void free_thread_stack(struct task_struct *tsk)
 	tsk->stack = NULL;
 }
 
-#  endif /* CONFIG_VMAP_STACK */
+# endif /* CONFIG_VMAP_STACK */
 # else /* !(THREAD_SIZE >= PAGE_SIZE || defined(CONFIG_VMAP_STACK)) */
 
 static struct kmem_cache *thread_stack_cache;