diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@
 
 include(FeatureSummary)
 
-find_package(KF5 COMPONENTS DBusAddons DNSSD I18n KIO)
+find_package(KF5 REQUIRED COMPONENTS DBusAddons DNSSD I18n KIO)
 
 add_subdirectory(ioslave)
 add_subdirectory(kdedmodule)