diff --git a/applets/taskmanager/CMakeLists.txt b/applets/taskmanager/CMakeLists.txt
--- a/applets/taskmanager/CMakeLists.txt
+++ b/applets/taskmanager/CMakeLists.txt
@@ -29,7 +29,7 @@
                       KF5::KIOFileWidgets # KFilePlacesModel
                       KF5::Notifications # KNotificationJobUiDelegate
                       KF5::Plasma
-                      KF5::ProcessCore
+                      KSysGuard::ProcessCore
                       KF5::Service
                       KF5::WindowSystem
                       PW::LibNotificationManager)