diff --git a/CMLibQtTranslation.cmake b/CMLibQtTranslation.cmake
index 887b7f3..650917e 100644
--- a/CMLibQtTranslation.cmake
+++ b/CMLibQtTranslation.cmake
@@ -37,7 +37,8 @@ function(qt_translation)
   endforeach()
 
   add_custom_command(OUTPUT ${_ts_list}
-    COMMAND ${Qt5_LUPDATE_EXECUTABLE} ARGS ${_sources_list} -ts ${_ts_list})
+    COMMAND ${Qt5_LUPDATE_EXECUTABLE} ARGS ${_sources_list} -ts ${_ts_list}
+    DEPENDS ${_sources_list})
 
   configure_file(${CMAKE_SOURCE_DIR}/cmake/cmlib/qrc/l10n.qrc.in ${CMAKE_BINARY_DIR}/${_target}_l10n.qrc)
   qt5_add_resources(_qrc ${CMAKE_BINARY_DIR}/${_target}_l10n.qrc)