diff --git a/syscall/syscall.csv b/syscall/syscall.csv
index 18ff94fdc7a..66babafb5e6 100644
--- a/syscall/syscall.csv
+++ b/syscall/syscall.csv
@@ -91,6 +91,7 @@
 "pthread_mutex_lock","pthread.h","!defined(CONFIG_DISABLE_PTHREAD)","int","FAR pthread_mutex_t*"
 "pthread_mutex_trylock","pthread.h","!defined(CONFIG_DISABLE_PTHREAD)","int","FAR pthread_mutex_t*"
 "pthread_mutex_unlock","pthread.h","!defined(CONFIG_DISABLE_PTHREAD)","int","FAR pthread_mutex_t*"
+"pthread_mutex_consistent","pthread.h","!defined(CONFIG_DISABLE_PTHREAD) && !defined(CONFIG_PTHREAD_MUTEX_UNSAFE)","int","FAR pthread_mutex_t*"
 "pthread_once","pthread.h","!defined(CONFIG_DISABLE_PTHREAD)","int","FAR pthread_once_t*","CODE void (*)(void)"
 "pthread_setaffinity_np","pthread.h","!defined(CONFIG_DISABLE_PTHREAD) && defined(CONFIG_SMP)","int","pthread_t","size_t","FAR const cpu_set_t*"
 "pthread_setschedparam","pthread.h","!defined(CONFIG_DISABLE_PTHREAD)","int","pthread_t","int","FAR const struct sched_param*"
diff --git a/syscall/syscall_lookup.h b/syscall/syscall_lookup.h
index d89778f255f..6ed2e54e781 100644
--- a/syscall/syscall_lookup.h
+++ b/syscall/syscall_lookup.h
@@ -304,7 +304,7 @@ SYSCALL_LOOKUP(up_assert,                  2, STUB_up_assert)
   SYSCALL_LOOKUP(pthread_mutex_trylock,    1, STUB_pthread_mutex_trylock)
   SYSCALL_LOOKUP(pthread_mutex_unlock,     1, STUB_pthread_mutex_unlock)
 #ifndef CONFIG_PTHREAD_MUTEX_UNSAFE
-  SYSCALL_LOOKUP(pthread_mutex_consistent, 1, STUB_pthread_mutex_unlock)
+  SYSCALL_LOOKUP(pthread_mutex_consistent, 1, STUB_pthread_mutex_consistent)
 #endif
   SYSCALL_LOOKUP(pthread_once,             2, STUB_pthread_once)
   SYSCALL_LOOKUP(pthread_setschedparam,    3, STUB_pthread_setschedparam)