diff --git a/third-party/benchmark/cmake/GetGitVersion.cmake b/third-party/benchmark/cmake/GetGitVersion.cmake
--- a/third-party/benchmark/cmake/GetGitVersion.cmake
+++ b/third-party/benchmark/cmake/GetGitVersion.cmake
@@ -20,7 +20,7 @@
 
 function(get_git_version var)
   if(GIT_EXECUTABLE)
-      execute_process(COMMAND ${GIT_EXECUTABLE} describe --tags --match "v[0-9]*.[0-9]*.[0-9]*" --abbrev=8
+      execute_process(COMMAND ${GIT_EXECUTABLE} describe --tags --match "llvmorg-[0-9]*.[0-9]*.[0-9]*" --abbrev=8
           WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
           RESULT_VARIABLE status
           OUTPUT_VARIABLE GIT_DESCRIBE_VERSION
@@ -30,11 +30,7 @@
       endif()
       
       string(STRIP ${GIT_DESCRIBE_VERSION} GIT_DESCRIBE_VERSION)
-      if(GIT_DESCRIBE_VERSION MATCHES v[^-]*-) 
-         string(REGEX REPLACE "v([^-]*)-([0-9]+)-.*" "\\1.\\2"  GIT_VERSION ${GIT_DESCRIBE_VERSION})
-      else()
-         string(REGEX REPLACE "v(.*)" "\\1" GIT_VERSION ${GIT_DESCRIBE_VERSION})
-      endif()
+      string(REGEX REPLACE "llvmorg-(.*)" "v\\1"  GIT_VERSION ${GIT_DESCRIBE_VERSION})
 
       # Work out if the repository is dirty
       execute_process(COMMAND ${GIT_EXECUTABLE} update-index -q --refresh
@@ -49,7 +45,7 @@
       if (${GIT_DIRTY})
           set(GIT_DESCRIBE_VERSION "${GIT_DESCRIBE_VERSION}-dirty")
       endif()
-      message(STATUS "git version: ${GIT_DESCRIBE_VERSION} normalized to ${GIT_VERSION}")
+      message(STATUS "Git version: ${GIT_DESCRIBE_VERSION} normalized to ${GIT_VERSION}")
   else()
       set(GIT_VERSION "0.0.0")
   endif()