diff --git a/test/tests/CMakeLists.txt b/test/tests/CMakeLists.txt
index 0022f78f5c..76adadcc0a 100644
--- a/test/tests/CMakeLists.txt
+++ b/test/tests/CMakeLists.txt
@@ -28,6 +28,7 @@ set(test_files
    "${CMAKE_CURRENT_SOURCE_DIR}/RideRatings.cpp"
    "${CMAKE_CURRENT_SOURCE_DIR}/S6ImportExportTests.cpp"
    "${CMAKE_CURRENT_SOURCE_DIR}/SawyerCodingTest.cpp"
+   "${CMAKE_CURRENT_SOURCE_DIR}/StringTest.cpp"
    "${CMAKE_CURRENT_SOURCE_DIR}/TestData.cpp"
    "${CMAKE_CURRENT_SOURCE_DIR}/TestData.h"
    "${CMAKE_CURRENT_SOURCE_DIR}/tests.cpp"