diff --git a/syscall/syscall_lookup.h b/syscall/syscall_lookup.h
index 845ddc5a7d0..9fd1c2d56b0 100644
--- a/syscall/syscall_lookup.h
+++ b/syscall/syscall_lookup.h
@@ -315,8 +315,8 @@ SYSCALL_LOOKUP(up_assert,                  2, STUB_up_assert)
   SYSCALL_LOOKUP(pthread_setschedprio,     2, STUB_pthread_setschedprio)
   SYSCALL_LOOKUP(pthread_setspecific,      2, STUB_pthread_setspecific)
 #ifdef CONFIG_SMP
-  SYSCALL_LOOKUP(pthread_setaffinity,      3, STUB_pthread_setaffinity)
-  SYSCALL_LOOKUP(pthread_getaffinity,      3, STUB_pthread_getaffinity)
+  SYSCALL_LOOKUP(pthread_setaffinity_np,   3, STUB_pthread_setaffinity_np)
+  SYSCALL_LOOKUP(pthread_getaffinity_np,   3, STUB_pthread_getaffinity_np)
 #endif
   SYSCALL_LOOKUP(pthread_cond_timedwait,   3, STUB_pthread_cond_timedwait)
   SYSCALL_LOOKUP(pthread_kill,             2, STUB_pthread_kill)
diff --git a/syscall/syscall_stublookup.c b/syscall/syscall_stublookup.c
index 4c23470e5bd..2dcfcdec2a6 100644
--- a/syscall/syscall_stublookup.c
+++ b/syscall/syscall_stublookup.c
@@ -320,9 +320,9 @@ uintptr_t STUB_pthread_setschedprio(int nbr, uintptr_t parm1,
 uintptr_t STUB_pthread_setspecific(int nbr, uintptr_t parm1,
             uintptr_t parm2);
 
-uintptr_t STUB_pthread_setaffinity(int nbr, uintptr_t parm1,
+uintptr_t STUB_pthread_setaffinity_np(int nbr, uintptr_t parm1,
             uintptr_t parm2, uintptr_t parm3);
-uintptr_t STUB_pthread_getaffinity(int nbr, uintptr_t parm1,
+uintptr_t STUB_pthread_getaffinity_np(int nbr, uintptr_t parm1,
             uintptr_t parm2, uintptr_t parm3);
 
 uintptr_t STUB_pthread_cond_timedwait(int nbr, uintptr_t parm1,