diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4ea4546..78b37ce 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -101,6 +101,7 @@ target_include_directories(fmi4cpp
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../include>
     PRIVATE
         ${CMAKE_CURRENT_SOURCE_DIR}
+        ${PUGIXML_INCLUDE_DIR}
 )
 
 target_link_libraries(fmi4cpp