diff --git a/kmail/editorinitplugins/CMakeLists.txt b/kmail/editorinitplugins/CMakeLists.txt
index 5c3aaf9b..35bf20d3 100644
--- a/kmail/editorinitplugins/CMakeLists.txt
+++ b/kmail/editorinitplugins/CMakeLists.txt
@@ -1 +1,2 @@
+add_definitions(-DTRANSLATION_DOMAIN=\"kmail_editorinit_plugins\")
 add_subdirectory(externalcomposer)