diff --git a/gfx/drivers_context/cgl_ctx.c b/gfx/drivers_context/cgl_ctx.c
index 2013902962..972093c5f9 100644
--- a/gfx/drivers_context/cgl_ctx.c
+++ b/gfx/drivers_context/cgl_ctx.c
@@ -22,6 +22,8 @@
 #include <stdint.h>
 #include <stdlib.h>
 
+#include <string/stdstring.h>
+
 #include <ApplicationServices/ApplicationServices.h>
 
 #include <OpenGL/CGLTypes.h>