From e2922ed50322940d9354c1773bc26e4b1c78205e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Sven=20Sch=C3=B6ling?= <s.schoeling@linet-services.de>
Date: Wed, 26 Oct 2011 15:02:24 +0200
Subject: [PATCH] =?utf8?q?Warning=20unterdr=C3=BCcken?=
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---
 SL/AM.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/SL/AM.pm b/SL/AM.pm
index ab712c852..70f56f925 100644
--- a/SL/AM.pm
+++ b/SL/AM.pm
@@ -1333,6 +1333,7 @@ sub retrieve_units {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form, $prefix) = @_;
+  $prefix ||= '';
 
   my $dbh = $form->get_standard_dbh;
 
-- 
2.20.1