diff --git a/src/external/glfw/src/posix_poll.c b/src/external/glfw/src/posix_poll.c
index 676a8a510..f96f14106 100644
--- a/src/external/glfw/src/posix_poll.c
+++ b/src/external/glfw/src/posix_poll.c
@@ -29,6 +29,7 @@
 #define _GNU_SOURCE
 
 #include "internal.h"
+#include "posix_poll.h"
 
 #include <signal.h>
 #include <time.h>