diff --git a/pkg/lwip/contrib/sys_arch.c b/pkg/lwip/contrib/sys_arch.c
index 4b03a522e8..6eec97f3e1 100644
--- a/pkg/lwip/contrib/sys_arch.c
+++ b/pkg/lwip/contrib/sys_arch.c
@@ -88,7 +88,7 @@ u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t count)
         return (u32_t)(stop / US_PER_MS);
     }
     else {
-        sema_wait_timed((sema_t *)sem, 0);
+        sema_wait((sema_t *)sem);
         return 0;
     }
 }