diff --git a/src/util/XournalTypeList.h b/src/util/XournalTypeList.h
index 8a1b8fe5..eb276654 100644
--- a/src/util/XournalTypeList.h
+++ b/src/util/XournalTypeList.h
@@ -193,7 +193,7 @@ XOJ_DECLARE_TYPE(ToolbarItem, 181);
 XOJ_DECLARE_TYPE(CustomizeableColorList, 182);
 XOJ_DECLARE_TYPE(GotoDialog, 183);
 XOJ_DECLARE_TYPE(ToolbarColorNames, 184);
-//XOJ_DECLARE_TYPE(XXXXXXXXXXXXXXXX, 185);
+XOJ_DECLARE_TYPE(TextBoxUndoAction, 185);
 //XOJ_DECLARE_TYPE(XXXXXXXXXXXXXXXX, 186);
 //XOJ_DECLARE_TYPE(XXXXXXXXXXXXXXXX, 187);
 //XOJ_DECLARE_TYPE(XXXXXXXXXXXXXXXX, 188);