diff --git a/src/effects/startupfeedback/CMakeLists.txt b/src/effects/startupfeedback/CMakeLists.txt
index 52980fc7e6..1dfd765acf 100644
--- a/src/effects/startupfeedback/CMakeLists.txt
+++ b/src/effects/startupfeedback/CMakeLists.txt
@@ -14,4 +14,5 @@ target_link_libraries(kwin4_effect_startupfeedback PRIVATE
     kwinglutils
 
     Qt::DBus
+    Qt::Widgets
 )