diff --git a/sys/kern/kern_subr.c b/sys/kern/kern_subr.c
index 9e47e4e8331f..0a3052c0eca5 100644
--- a/sys/kern/kern_subr.c
+++ b/sys/kern/kern_subr.c
@@ -185,9 +185,9 @@ uiomove(void *cp, int n, struct uio *uio)
 		n -= cnt;
 	}
 out:
-	if (td) {
+	if (td && save == 0) {
 		mtx_lock_spin(&sched_lock);
-		td->td_flags = (td->td_flags & ~TDF_DEADLKTREAT) | save;
+		td->td_flags &= ~TDF_DEADLKTREAT;
 		mtx_unlock_spin(&sched_lock);
 	}
 	return (error);