diff --git a/examples/others/rlgl_standalone.c b/examples/others/rlgl_standalone.c
index 7911e7fe..c62f7d81 100644
--- a/examples/others/rlgl_standalone.c
+++ b/examples/others/rlgl_standalone.c
@@ -48,6 +48,10 @@
 #define RLGL_STANDALONE
 #include "rlgl.h"               // OpenGL 1.1 immediate-mode style coding
 
+#ifdef __EMSCRIPTEN__
+#define GLFW_INCLUDE_ES2
+#endif
+
 #include <GLFW/glfw3.h>         // Windows/Context and inputs management
 
 #define RED        (Color){ 230, 41, 55, 255 }     // Red