diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 054ddc95..67df0433 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -50,6 +50,7 @@ set(CXXTEST_PYTHON_TESTGEN_EXECUTABLE ${CXXTEST_ROOT_DIR}/bin/cxxtestgen)
 add_executable(xlnt.test ${TEST_HELPERS} ${TESTS} ${RUNNER})
 target_link_libraries(xlnt.test
     PRIVATE xlnt
+    PRIVATE libstudxml
     PRIVATE ${ZLIB_LIBRARIES}
     PRIVATE ${CRYPTOPP_LIBRARIES})
 target_include_directories(xlnt.test