diff --git a/CMakeLists.txt b/CMakeLists.txt
index 64a8fc3..33f3ff8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,90 +1,95 @@
 cmake_minimum_required(VERSION 3.0)
 
 project(polkit-kde-agent-1)
 set(PROJECT_VERSION "5.17.80")
 
 set(QT_MIN_VERSION "5.12.0")
 set(KF5_MIN_VERSION "5.62.0")
 
 # we need some parts of the ECM CMake helpers
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 set (CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
 
 include(KDEInstallDirs)
 include(KDECMakeSettings)
 include(KDECompilerSettings NO_POLICY_SCOPE)
+include(KDEClangFormat)
 include(FeatureSummary)
 
 find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED Core DBus Widgets)
 
 # Load the frameworks we need
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
   I18n
   WindowSystem
   DBusAddons
   WidgetsAddons
   CoreAddons
   Crash
   IconThemes
 )
 
 include(CheckIncludeFile)
 include(CheckSymbolExists)
 check_include_file("sys/prctl.h" HAVE_SYS_PRCTL_H)
 check_symbol_exists(PR_SET_DUMPABLE "sys/prctl.h" HAVE_PR_SET_DUMPABLE)
 check_include_file("sys/procctl.h" HAVE_SYS_PROCCTL_H)
 check_symbol_exists(PROC_TRACE_CTL "sys/procctl.h" HAVE_PROC_TRACE_CTL)
 if (HAVE_PR_SET_DUMPABLE OR HAVE_PROC_TRACE_CTL)
   set(CAN_DISABLE_PTRACE TRUE)
 endif ()
 add_feature_info("prctl/procctl tracing control"
                  CAN_DISABLE_PTRACE
                  "Required for disallowing ptrace on polkit agent")
 
 # create config file
 configure_file (config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h)
 
 # let our config.h be found first in any case
 include_directories (BEFORE ${CMAKE_CURRENT_BINARY_DIR})
 
 find_package(PolkitQt5-1 REQUIRED 0.103.0)
 
 include_directories(
                     ${POLKITQT-1_INCLUDE_DIR}
                     ${CMAKE_CURRENT_SOURCE_DIR}
                     ${CMAKE_CURRENT_BINARY_DIR})
 
 qt5_add_dbus_adaptor(policykit_SRCS org.kde.Polkit1AuthAgent.xml policykitlistener.h PolicyKitListener)
 
 ki18n_wrap_ui(policykit_SRCS AuthDialog.ui authdetails.ui)
 
 set(policykit_SRCS
     ${policykit_SRCS}
     policykitlistener.cpp
     main.cpp
     AuthDialog.cpp
 )
 
 add_executable(polkit-kde-authentication-agent-1 ${policykit_SRCS})
 
 target_link_libraries(polkit-kde-authentication-agent-1
     KF5::DBusAddons
     KF5::WindowSystem
     KF5::WidgetsAddons
     KF5::CoreAddons
     KF5::I18n
     KF5::Crash
     KF5::IconThemes
     ${POLKITQT-1_LIBRARIES}
 )
 
 configure_file(polkit-kde-authentication-agent-1.desktop.cmake ${CMAKE_BINARY_DIR}/polkit-kde-authentication-agent-1.desktop)
 
 install(TARGETS polkit-kde-authentication-agent-1 DESTINATION ${KDE_INSTALL_LIBEXECDIR})
 
 install(FILES ${CMAKE_BINARY_DIR}/polkit-kde-authentication-agent-1.desktop DESTINATION ${KDE_INSTALL_AUTOSTARTDIR})
 install(FILES ${CMAKE_BINARY_DIR}/polkit-kde-authentication-agent-1.desktop DESTINATION ${XDG_APPS_INSTALL_DIR} RENAME org.kde.polkit-kde-authentication-agent-1.desktop)
 
 install(FILES policykit1-kde.notifyrc DESTINATION ${KDE_INSTALL_KNOTIFY5RCDIR})
 
+# add clang-format target for all our real source files
+file(GLOB_RECURSE ALL_CLANG_FORMAT_SOURCE_FILES *.cpp *.h)
+kde_clang_format(${ALL_CLANG_FORMAT_SOURCE_FILES})
+
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)