diff --git a/kernel/fork.c b/kernel/fork.c
index 7e1ead9a6ba4..dfeadf466f18 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -176,6 +176,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
 
 	/* One for us, one for whoever does the "release_task()" (usually parent) */
 	atomic_set(&tsk->usage,2);
+	atomic_set(&tsk->fs_excl, 0);
 	return tsk;
 }