diff --git a/CMakeLists.txt b/CMakeLists.txt
index 608a2491..46ccbfea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -118,6 +118,12 @@ option(${PROJECT_NAME}_X11EXTRAS
 )
 option(${PROJECT_NAME}_XLib "On Linux, link against XLib, for a more robust window z-order detection." OFF)
 
+# changed by Philipp Swoboda, philipp@swoboda.xyz
+# set QT6 as default option and switch X11 Extra off
+set(${PROJECT_NAME}_X11EXTRA OFF)
+set(${PROJECT_NAME}_QT6 ON)
+
+
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/ECM/modules")
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/KDAB/modules")