diff --git a/fs/vfs/fs_poll.c b/fs/vfs/fs_poll.c
index f4219aa7c39..267a542da52 100644
--- a/fs/vfs/fs_poll.c
+++ b/fs/vfs/fs_poll.c
@@ -393,7 +393,7 @@ int poll(FAR struct pollfd *fds, nfds_t nfds, int timeout)
     {
       /* Out of memory */
 
-      ret = ENOMEM;
+      ret = -ENOMEM;
       goto out_with_cancelpt;
     }