diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 4e58621411..6ff2207dca 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -53,6 +53,7 @@ target_include_directories(Sketcher_tests_run PUBLIC
     ${EIGEN3_INCLUDE_DIR}
     ${OCC_INCLUDE_DIR}
     ${Python3_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
 )
 target_link_libraries(Sketcher_tests_run
     gtest_main