diff --git a/CMakeLists.txt b/CMakeLists.txt
index d45a87a4..c299b171 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,6 +33,7 @@ macro_optional_add_subdirectory (gwenview)
 macro_optional_add_subdirectory (kcalc)
 macro_optional_add_subdirectory (kcron)
 macro_optional_add_subdirectory (kdenetwork-filesharing)
+macro_optional_add_subdirectory (kdeplasma-addons)
 macro_optional_add_subdirectory (kfilemetadata)
 macro_optional_add_subdirectory (lokalize)
 macro_optional_add_subdirectory (libksane)