diff --git a/source/texture.c b/source/texture.c
index 8d37187..a9da11f 100644
--- a/source/texture.c
+++ b/source/texture.c
@@ -10,6 +10,7 @@ The `gfx.texture` module.
 #include <lauxlib.h>
 
 #include <stdlib.h>
+#include <string.h>
 
 #include "texture.h"