diff -Naur ./k9copy.orig/CMakeLists.txt ./k9copy/CMakeLists.txt
--- ./k9copy.orig/CMakeLists.txt	2018-09-15 09:44:40.515572351 -0400
+++ ./k9copy/CMakeLists.txt	2018-09-15 09:46:35.369915488 -0400
@@ -569,7 +569,7 @@
 
 install( FILES k9copy.desktop k9copy_assistant.desktop DESTINATION  ${XDG_APPS_INSTALL_DIR} )
 #install( FILES k9copy.kcfg  DESTINATION  ${KCFG_INSTALL_DIR} )
-install( FILES k9copyui.rc  DESTINATION  ${DATA_INSTALL_DIR}/k9copy )
+install( FILES k9copyui.rc  DESTINATION  ${KXMLGUI_INSTALL_DIR}/k9copy )
 
 install(FILES k9copy_open.desktop DESTINATION ${DATA_INSTALL_DIR}/solid/actions)
 install(FILES k9copy_assistant_open.desktop DESTINATION ${DATA_INSTALL_DIR}/solid/actions)