diff --git a/libdialogutil/CMakeLists.txt b/libdialogutil/CMakeLists.txt
index 6324dc9..90fc9cf 100644
--- a/libdialogutil/CMakeLists.txt
+++ b/libdialogutil/CMakeLists.txt
@@ -1,53 +1,55 @@
 
 project(libdialogutil)
 
 ########### dependencies ###############
 
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS I18n Config KIO WidgetsAddons)
 
 ########### libdialogutil ###############
 
+add_definitions(-DTRANSLATION_DOMAIN="libkookascan")
+
 set(dialogutil_SRCS
   dialogbase.cpp
   dialogstatesaver.cpp
   dialogstatewatcher.cpp
   recentsaver.cpp
   imagefilter.cpp
 )
 
 set(dialogutil_HDRS
   dialogbase.h
   dialogstatesaver.h
   dialogstatewatcher.h
   recentsaver.h
   imagefilter.h
   ${CMAKE_CURRENT_BINARY_DIR}/libdialogutil_export.h
 )
 
 add_library(dialogutil SHARED ${dialogutil_SRCS})
 generate_export_header(dialogutil BASE_NAME libdialogutil)
 target_link_libraries(dialogutil
   Qt5::Core Qt5::Widgets
   KF5::I18n
   KF5::ConfigCore
   KF5::WidgetsAddons
   KF5::KIOCore KF5::KIOFileWidgets
 )
 
 set_target_properties(dialogutil PROPERTIES VERSION 1.0.0 SOVERSION 1)
 
 ########### package config ###############
 
 set(DU "DialogUtil")
 set(CONFIGDIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/${DU}")
 
 ecm_configure_package_config_file(
   "${CMAKE_CURRENT_SOURCE_DIR}/${DU}Config.cmake.in"
   "${CMAKE_CURRENT_BINARY_DIR}/${DU}Config.cmake"
   INSTALL_DESTINATION ${CONFIGDIR})
 
 ########### installation ###############
 
 install(TARGETS dialogutil ${INSTALL_TARGETS_DEFAULT_ARGS})
 install(FILES ${dialogutil_HDRS} DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5})
 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${DU}Config.cmake" DESTINATION ${CONFIGDIR} COMPONENT Devel)