diff --git a/src/kdesud/CMakeLists.txt b/src/kdesud/CMakeLists.txt
index 1276a55..998f9e0 100644
--- a/src/kdesud/CMakeLists.txt
+++ b/src/kdesud/CMakeLists.txt
@@ -17,10 +17,9 @@ ecm_mark_nongui_executable(kdesud)
 
 target_link_libraries(kdesud KF5::Su KF5::I18n ${X11_LIBRARIES})
 
-if(KDE4_ENABLE_FPIE)
-    macro_add_compile_flags(kdesud ${KDE4_CXX_FPIE_FLAGS})
-    macro_add_link_flags(kdesud ${KDE4_PIE_LDFLAGS})
-endif()
+set_property(TARGET kdesud APPEND_STRING PROPERTY COMPILE_FLAGS " -fPIE")
+
+set_property(TARGET kdesud APPEND_STRING PROPERTY LINK_FLAGS " -pie")
 
 ########### install files ###############