diff --git a/kernel/fork.c b/kernel/fork.c
index addc555a1077..1fafcb9bb047 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2337,6 +2337,7 @@ __latent_entropy struct task_struct *copy_process(
 
 #ifdef CONFIG_BLOCK
 	p->plug = NULL;
+	p->flags &= ~PF_BLOCK_TS;
 #endif
 	futex_init_task(p);