1 files changed, 1 insertions, 0 deletions
diff --git a/lib/net/pop.rb b/lib/net/pop.rb
index 19a0e69dcd..38fb7b6f76 100644
--- a/lib/net/pop.rb
+++ b/lib/net/pop.rb
@@ -561,6 +561,7 @@ module Net
           list = []
           @socket.each_list_item do |line|
             m = /\A(\d+)[ \t]+(\d+)/.match(line) or
+                    raise BadResponse, "bad response: #{line}"
             list[m[1].to_i] = m[2].to_i
           end
           return list