diff --git a/sched/mq_timedsend.c b/sched/mq_timedsend.c
index 710df84d3c8..a35edb9f803 100644
--- a/sched/mq_timedsend.c
+++ b/sched/mq_timedsend.c
@@ -109,7 +109,7 @@ static void mq_sndtimeout(int argc, uint32 pid, ...)
    * punch and already changed the task's state.
    */
 
-  if (wtcb && wtcb->task_state == TSTATE_WAIT_MQNOTEMPTY)
+  if (wtcb && wtcb->task_state == TSTATE_WAIT_MQNOTFULL)
     {
       /* Mark the errno value for the thread. */