diff --git a/includes/tart.h b/includes/tart.h
index eb629c9..847e57f 100644
--- a/includes/tart.h
+++ b/includes/tart.h
@@ -101,6 +101,14 @@ struct tart_cell {
     char display;
 };
 #else
+#ifdef TART_UTF8
+struct tart_cell {
+    tart_byte foreground;
+    tart_byte background;
+    tart_byte style;
+    char[2] display;
+};
+#endif
 struct tart_cell {
     tart_byte foreground;
     tart_byte background;