diff --git a/raylib/external/glfw/src/wl_init.c b/raylib/external/glfw/src/wl_init.c
index 21a808a..9c34a95 100644
--- a/raylib/external/glfw/src/wl_init.c
+++ b/raylib/external/glfw/src/wl_init.c
@@ -26,7 +26,7 @@
 // It is fine to use C99 in this file because it will not be built with VS
 //========================================================================
 
-#define _POSIX_C_SOURCE 199309L
+//#define _POSIX_C_SOURCE 199309L
 
 #include "internal.h"