diff --git a/Tests/RunCMake/CMakePresets/GoodNoSCache.cmake b/Tests/RunCMake/CMakePresets/GoodNoSCache.cmake
index df58e72e43..d9e399fbb3 100644
--- a/Tests/RunCMake/CMakePresets/GoodNoSCache.cmake
+++ b/Tests/RunCMake/CMakePresets/GoodNoSCache.cmake
@@ -1,4 +1,5 @@
 include(${CMAKE_CURRENT_LIST_DIR}/TestVariable.cmake)
 
 get_filename_component(_parent "${CMAKE_SOURCE_DIR}" DIRECTORY)
+file(REAL_PATH "${_parent}" _parent)
 test_variable(CMAKE_BINARY_DIR "" "${_parent}/GoodNoSCachePrep-build")