diff --git a/cmake/GetGitRevisionDescription.cmake b/cmake/GetGitRevisionDescription.cmake
index 543305e1..7d46f216 100644
--- a/cmake/GetGitRevisionDescription.cmake
+++ b/cmake/GetGitRevisionDescription.cmake
@@ -113,7 +113,6 @@ function(git_describe _var)
     execute_process(COMMAND
         "${GIT_EXECUTABLE}"
         describe
-        ${hash}
         ${ARGN}
         WORKING_DIRECTORY
         "${CMAKE_CURRENT_SOURCE_DIR}"