diff --git a/CMakeLists.txt b/CMakeLists.txt
index d68c7a14c8..368b012565 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ project(KWin VERSION ${PROJECT_VERSION})
 set(QT_MIN_VERSION "5.15.0")
 set(KF5_MIN_VERSION "5.78")
 
-find_package(ECM 5.38 REQUIRED NO_MODULE)
+find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 
 include(FeatureSummary)
 include(WriteBasicConfigVersionFile)