diff --git a/develop/git/git.conf b/develop/git/git.conf
index 4ebd057ea..6ee346176 100644
--- a/develop/git/git.conf
+++ b/develop/git/git.conf
@@ -21,6 +21,9 @@ done
 
 var_append makeopt ' ' 'gitweb'
 
+# install perl modules into 'vendor_perl' directory
+var_append makeinstopt ' ' "INSTALLDIRS=vendor"
+
 var_append makeinstopt ' ' 'gitwebdir=$root$docdir/gitweb'
 var_append makeinstopt ' ' 'install-gitweb'