diff --git a/tests/examples/overlays.c b/tests/examples/overlays.c
index b5bd6a7897..f942180f32 100644
--- a/tests/examples/overlays.c
+++ b/tests/examples/overlays.c
@@ -17,6 +17,7 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#include <stdlib.h>
 #include <ges/ges.h>
 
 typedef struct