From f3cde86a79f8f546ec42fd91bf84419ca32d5f02 Mon Sep 17 00:00:00 2001
From: Robert Gleeson <rob@flowof.info>
Date: Tue, 21 Jan 2014 10:53:45 +0100
Subject: [PATCH] last spec, green! (pry load order also is a PITA).

---
 lib/pry/command.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pry/command.rb b/lib/pry/command.rb
index 158fa3f4..77d9f9b8 100644
--- a/lib/pry/command.rb
+++ b/lib/pry/command.rb
@@ -175,7 +175,7 @@ class Pry
       end
 
       def command_regex
-        pr = defined?(Pry.config.command_prefix) ? Pry.config.command_prefix : ""
+        pr = Pry.respond_to?(:config) ? Pry.config.command_prefix : ""
         prefix = convert_to_regex(pr)
         prefix = "(?:#{prefix})?" unless options[:use_prefix]