diff --git a/ksmserver/CMakeLists.txt b/ksmserver/CMakeLists.txt
index b2efcafdd..68bc5831f 100644
--- a/ksmserver/CMakeLists.txt
+++ b/ksmserver/CMakeLists.txt
@@ -1,73 +1,73 @@
 add_definitions(-DTRANSLATION_DOMAIN=\"ksmserver\")
 
-check_library_exists(ICE _IceTransNoListen "" HAVE__ICETRANSNOLISTEN)
+check_library_exists("${X11_ICE_LIB}" _IceTransNoListen "" HAVE__ICETRANSNOLISTEN)
 configure_file(config-ksmserver.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-ksmserver.h)
 
 add_definitions("-DQT_NO_CAST_FROM_ASCII -DQT_NO_CAST_TO_ASCII")
 add_definitions(-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT)
 add_definitions(-DQT_NO_URL_CAST_FROM_STRING)
 
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
 ########### next target ###############
 
 set(ksmserver_SRCS
     main.cpp
     server.cpp
     legacy.cpp
     logout.cpp
     client.cpp
 )
 ecm_qt_declare_logging_category(ksmserver_SRCS HEADER ksmserver_debug.h IDENTIFIER KSMSERVER CATEGORY_NAME org.kde.kf5.ksmserver)
 
 qt5_add_dbus_adaptor( ksmserver_SRCS org.kde.KSMServerInterface.xml server.h KSMServer )
 qt5_add_dbus_interface( ksmserver_SRCS ${KSCREENLOCKER_DBUS_INTERFACES_DIR}/org.kde.screensaver.xml kscreenlocker_interface )
 qt5_add_dbus_interface( ksmserver_SRCS org.kde.LogoutPrompt.xml logoutprompt_interface)
 qt5_add_dbus_interface( ksmserver_SRCS org.kde.KWin.Session.xml kwinsession_interface)
 
 
 set(klauncher_xml ${KINIT_DBUS_INTERFACES_DIR}/kf5_org.kde.KLauncher.xml)
 qt5_add_dbus_interface( ksmserver_SRCS ${klauncher_xml} klauncher_interface )
 
 qt5_add_dbus_interface( ksmserver_SRCS ../startkde/plasma-session/org.kde.Startup.xml startup_interface )
 qt5_add_dbus_interface( ksmserver_SRCS ../startkde/plasma-shutdown/org.kde.Shutdown.xml shutdown_interface )
 
 add_executable(ksmserver ${ksmserver_SRCS})
 
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KSMServerDBusInterface")
 
 configure_package_config_file(KSMServerDBusInterfaceConfig.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/KSMServerDBusInterfaceConfig.cmake
     PATH_VARS KDE_INSTALL_DBUSINTERFACEDIR
     INSTALL_DESTINATION ${CMAKECONFIG_INSTALL_DIR})
 
 target_link_libraries(ksmserver
     PW::KScreenLocker
     PW::KWorkspace
     KF5::XmlGui
     KF5::GlobalAccel
     KF5::I18n
     KF5::KIOCore
     KF5::KIOGui
     ${X11_LIBRARIES}
     ${X11_Xrender_LIB}
     Qt5::X11Extras
     KF5::Solid
     Qt5::Quick
     KF5::Declarative
     KF5::DBusAddons
     KF5::Notifications
     KF5::Package
     KF5::WindowSystem
     Qt5::Concurrent
 )
 
 install(TARGETS ksmserver ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
 
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/KSMServerDBusInterfaceConfig.cmake
     DESTINATION ${CMAKECONFIG_INSTALL_DIR})
 
 
 ########### install files ###############
 
 install( FILES org.kde.KSMServerInterface.xml DESTINATION ${KDE_INSTALL_DBUSINTERFACEDIR})