diff --git a/sched/signal/sig_action.c b/sched/signal/sig_action.c
index 9dd66851175..81a90c0b282 100644
--- a/sched/signal/sig_action.c
+++ b/sched/signal/sig_action.c
@@ -57,9 +57,9 @@ static FAR sigactq_t *nxsig_alloc_action(void)
 
   /* Try to get the signal action structure from the free list */
 
-  flags = spin_lock_irqsave();
+  flags = spin_lock_irqsave(NULL);
   sigact = (FAR sigactq_t *)sq_remfirst(&g_sigfreeaction);
-  spin_unlock_irqrestore(flags);
+  spin_unlock_irqrestore(NULL, flags);
 
   /* Check if we got one. */
 
@@ -71,9 +71,9 @@ static FAR sigactq_t *nxsig_alloc_action(void)
 
       /* And try again */
 
-      flags = spin_lock_irqsave();
+      flags = spin_lock_irqsave(NULL);
       sigact = (FAR sigactq_t *)sq_remfirst(&g_sigfreeaction);
-      spin_unlock_irqrestore(flags);
+      spin_unlock_irqrestore(NULL, flags);
       DEBUGASSERT(sigact);
     }
 
@@ -372,7 +372,7 @@ void nxsig_release_action(FAR sigactq_t *sigact)
 
   /* Just put it back on the free list */
 
-  flags = spin_lock_irqsave();
+  flags = spin_lock_irqsave(NULL);
   sq_addlast((FAR sq_entry_t *)sigact, &g_sigfreeaction);
-  spin_unlock_irqrestore(flags);
+  spin_unlock_irqrestore(NULL, flags);
 }