diff --git a/CMake/Version.cmake b/CMake/Version.cmake
index 0bed50f6e..329a8cc7b 100644
--- a/CMake/Version.cmake
+++ b/CMake/Version.cmake
@@ -7,7 +7,7 @@ find_program(GIT git)
 if(GIT)
   execute_process(
       COMMAND ${GIT} describe
-      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
       OUTPUT_VARIABLE GIT_DESCRIBE_DIRTY
       OUTPUT_STRIP_TRAILING_WHITESPACE
       RESULT_VARIABLE GIT_DESCRIBE_RESULT