diff --git a/drivers/timers/oneshot.c b/drivers/timers/oneshot.c
index 9c1204fa8c0..4dc15c440a6 100644
--- a/drivers/timers/oneshot.c
+++ b/drivers/timers/oneshot.c
@@ -312,7 +312,7 @@ int oneshot_register(FAR const char *devname,
   priv->od_lower = lower;
 
   lower->callback = oneshot_callback;
-  lower->arg      = lower;
+  lower->arg      = priv;
 
   nxmutex_init(&priv->od_lock);