diff --git a/CMakeLists.txt b/CMakeLists.txt
index 00e8de6ed..f8dd9cb7a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,11 +15,13 @@ if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git")
         COMMAND git describe --always
         OUTPUT_VARIABLE GIT_COMMIT_HASH
         OUTPUT_STRIP_TRAILING_WHITESPACE
+        WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
     )
     execute_process(
         COMMAND  git rev-parse --abbrev-ref HEAD
         OUTPUT_VARIABLE GIT_BRANCH
         OUTPUT_STRIP_TRAILING_WHITESPACE
+        WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
     )
 endif(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git")