diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2513d76f8..35eadc350 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,7 @@ else()
     set(KF5_MIN_VERSION "5.42.0")
     set(QT_MIN_VERSION "5.7.0")
     set(KF5_REQUIRED_COMPONENTS I18n ConfigWidgets DBusAddons IconThemes Notifications KIO KCMUtils)
-    set(KF5_OPTIONAL_COMPONENTS DocTools DocTools)
+    set(KF5_OPTIONAL_COMPONENTS DocTools)
     if(UNIX)
         set(KF5_OPTIONAL_COMPONENTS ${KF5_OPTIONAL_COMPONENTS} PulseAudioQt)
     endif()