diff --git a/webenginepart/src/CMakeLists.txt b/webenginepart/src/CMakeLists.txt
--- a/webenginepart/src/CMakeLists.txt
+++ b/webenginepart/src/CMakeLists.txt
@@ -1,5 +1,7 @@
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS Wallet)
 
+add_definitions(-DTRANSLATION_DOMAIN=\"webenginepart\")
+
 include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_BINARY_DIR})
 
 set(kwebenginepartlib_LIB_SRCS