diff -r -u apport-2.20.11/backends/packaging-apt-dpkg.py apport-2.20.11-fixes/backends/packaging-apt-dpkg.py
--- apport-2.20.11/backends/packaging-apt-dpkg.py	2019-12-13 00:18:39.000000000 +0100
+++ apport-2.20.11-fixes/backends/packaging-apt-dpkg.py	2020-03-05 18:12:02.317340658 +0100
@@ -1236,7 +1236,7 @@
                         mirror_idx = 2
                     else:
                         mirror_idx = 1
-                    if fields[mirror_idx].startswith('http://'):
+                    if fields[mirror_idx].startswith('http://') or fields[mirror_idx].startswith('https://'):
                         return fields[mirror_idx]
             else:
                 raise SystemError('cannot determine default mirror: %s does not contain a valid deb line'