diff --git a/source/shared_lib/sources/graphics/freetype-gl/texture-atlas.c b/source/shared_lib/sources/graphics/freetype-gl/texture-atlas.c
index bc74318bf..2a0a4c226 100644
--- a/source/shared_lib/sources/graphics/freetype-gl/texture-atlas.c
+++ b/source/shared_lib/sources/graphics/freetype-gl/texture-atlas.c
@@ -42,6 +42,7 @@
 #include <string.h>
 #include <assert.h>
 #include <limits.h>
+#include <stdlib.h>
 #include "texture-atlas.h"
 
 #define max(a,b) (a)>(b)?(a):(b)