diff --git a/os/ospoll.c b/os/ospoll.c
index dc2ecd10f..59355b367 100644
--- a/os/ospoll.c
+++ b/os/ospoll.c
@@ -224,8 +224,9 @@ ospoll_create(void)
     return ospoll;
 #endif
 #if EPOLL
-    struct ospoll       *ospoll = calloc(1, sizeof (struct ospoll));
-
+    struct ospoll *ospoll = calloc(1, sizeof (struct ospoll));
+    if (ospoll == NULL)
+        return NULL;
     ospoll->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
     if (ospoll->epoll_fd < 0) {
         free (ospoll);