diff --git a/scripts/git-srv-admin.sh b/scripts/git-srv-admin.sh
index dd91ca4d..5bbe101b 100644
--- a/scripts/git-srv-admin.sh
+++ b/scripts/git-srv-admin.sh
@@ -118,6 +118,7 @@ list_maintainers()
 					/^[[:space:]]*jw-maintainer/ !d;
 					s/.*= *//
 				'`
+			[ "$val" ] || val="unknown"
 			[ "$val" ] || continue
 			printf "%-30s %s\n" $p $val
 		done