diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index 375c379..8d7a3d0 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -43,6 +43,7 @@ set(CMAKE_CXX_STANDARD 14)
 
 add_executable(sdbus-c++-xml2cpp ${SDBUSCPP_XML2CPP_SRCS})
 target_link_libraries (sdbus-c++-xml2cpp ${EXPAT_LIBRARIES})
+target_include_directories(sdbus-c++-xml2cpp PRIVATE ${EXPAT_INCLUDE_DIRS})
 
 #----------------------------------
 # INSTALLATION