From 85328c5c7e3ab4bc4665ba6e496b23c1c15214e0 Mon Sep 17 00:00:00 2001
From: Johannes 'josch' Schauer <josch@mister-muffin.de>
Date: Sun, 29 Nov 2020 20:54:50 +0100
Subject: [PATCH] mmdebstrap: check for defined-ness before integer comparison

---
 mmdebstrap | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mmdebstrap b/mmdebstrap
index ffcd1b1..467f074 100755
--- a/mmdebstrap
+++ b/mmdebstrap
@@ -3972,7 +3972,7 @@ sub get_sourceslist_by_suite {
                 }
             }
             close $fh;
-            if ($matching_version >= 11) {
+            if (defined $matching_version and $matching_version >= 11) {
                 $bullseye_or_later = 1;
             }
         } else {