diff --git a/git-instaweb.sh b/git-instaweb.sh
index 01a1b05..e93a238 100755
--- a/git-instaweb.sh
+++ b/git-instaweb.sh
@@ -581,7 +581,7 @@
 
 gitweb_conf() {
 	cat > "$fqgitdir/gitweb/gitweb_config.perl" <<EOF
-#!/usr/bin/perl
+#!@@PERL@@
 our \$projectroot = "$(dirname "$fqgitdir")";
 our \$git_temp = "$fqgitdir/gitweb/tmp";
 our \$projects_list = \$projectroot;