diff --git a/include/sdl3game/error.h b/include/sdl3game/error.h
new file mode 100644
index 0000000..61fccd5
--- /dev/null
+++ b/include/sdl3game/error.h
@@ -0,0 +1,6 @@
+#ifndef _ERROR_H_
+#define _ERROR_H_
+
+#define AKERR_SDL               AKERR_LAST_ERRNO_VALUE + 1
+
+#endif // _ERROR_H_