diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index e602aaa5bf..19d16f6360 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -1164,7 +1164,8 @@ if(ADD_COMMIT_SHA)
         endif()
 
         execute_process(
-            COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
+            COMMAND "${GIT_EXECUTABLE}" rev-parse --short HEAD
+	    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
             OUTPUT_VARIABLE git_sha
             OUTPUT_STRIP_TRAILING_WHITESPACE
         )