diff --git a/sched/sched/sched_gettcb.c b/sched/sched/sched_gettcb.c
index 776927dd4a8..373e21828fa 100644
--- a/sched/sched/sched_gettcb.c
+++ b/sched/sched/sched_gettcb.c
@@ -76,7 +76,7 @@ FAR struct tcb_s *nxsched_get_tcb(pid_t pid)
 
       /* Verify that the correct TCB was found. */
 
-      if (pid == g_pidhash[hash_ndx].pid)
+      if (g_pidhash && pid == g_pidhash[hash_ndx].pid)
         {
           /* Return the TCB associated with this pid (if any) */