diff --git a/fs/fs_poll.c b/fs/fs_poll.c
index 1bf22616a5..cbe30481b5 100644
--- a/fs/fs_poll.c
+++ b/fs/fs_poll.c
@@ -41,6 +41,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include <time.h>
 #include <poll.h>
 #include <errno.h>
 #include <assert.h>