diff --git a/gfx/drivers_context/emscriptenegl_ctx.c b/gfx/drivers_context/emscriptenegl_ctx.c
index cc5782a52c..6b492ea995 100644
--- a/gfx/drivers_context/emscriptenegl_ctx.c
+++ b/gfx/drivers_context/emscriptenegl_ctx.c
@@ -15,6 +15,7 @@
  */
 
 #include <stdint.h>
+#include <stdlib.h>
 #include <unistd.h>
 
 #include <emscripten/emscripten.h>