diff --git a/tools/install/create_lazarus_export_tgz.sh b/tools/install/create_lazarus_export_tgz.sh
index c1cd321e04..c66b82a4d0 100755
--- a/tools/install/create_lazarus_export_tgz.sh
+++ b/tools/install/create_lazarus_export_tgz.sh
@@ -78,6 +78,7 @@ else
   echo "extracting lazarus from local svn ..."
   LazSrcDir=$(pwd | sed -e 's#/tools/install.*$##')
   #Revision=$(svnversion $LazSrcDir) - comment this out as svn no longer works
+  Revision=$(git -C $LazSrcDir describe --always --first-parent)
   cd $TmpDir
   cp -a $LazSrcDir $TmpLazDir #can't use svn export anymore
   cd -
diff --git a/tools/install/win/svn2revisioninc.bat b/tools/install/win/svn2revisioninc.bat
index 26674db2f4..cafe6099cd 100644
--- a/tools/install/win/svn2revisioninc.bat
+++ b/tools/install/win/svn2revisioninc.bat
@@ -1,4 +1,4 @@
-%GIT% -C %1 describe --always  > gitinfo.txt
+%GIT% -C %1 describe --always --first-parent  > gitinfo.txt
 
 set /P SVNINFO=<gitinfo.txt
 
diff --git a/tools/svn2revisioninc.pas b/tools/svn2revisioninc.pas
index 8cfe27f062..bbe733a45e 100644
--- a/tools/svn2revisioninc.pas
+++ b/tools/svn2revisioninc.pas
@@ -734,7 +734,7 @@ function TSvn2RevisionApplication.GitDescribeCommit(KeepRevStr: Boolean
 var
   s: string;
 begin
-  Result := RunCommand('git', ['describe', '--always'], s);
+  Result := RunCommand('git', ['describe', '--always', '--first-parent'], s);
   if not Result then
     exit;