diff --git a/accountwizard/wizards/CMakeLists.txt b/accountwizard/wizards/CMakeLists.txt
index 798868e5ea..60566cc134 100644
--- a/accountwizard/wizards/CMakeLists.txt
+++ b/accountwizard/wizards/CMakeLists.txt
@@ -1 +1 @@
-add_subdirectory(tine20)
+macro_optional_add_subdirectory(tine20)