From d32824eb6e9bab299363866061da4bb485739db5 Mon Sep 17 00:00:00 2001
From: Ellert <Ellert@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Fri, 28 Jul 2017 06:21:38 +0000
Subject: [PATCH] 98_DOIFtools.pm: fixed detailFn for DOIF extra line

git-svn-id: https://svn.fhem.de/fhem/trunk@14806 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/98_DOIFtools.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/98_DOIFtools.pm b/fhem/FHEM/98_DOIFtools.pm
index b937727f2..a7159b2ab 100644
--- a/fhem/FHEM/98_DOIFtools.pm
+++ b/fhem/FHEM/98_DOIFtools.pm
@@ -373,7 +373,7 @@ sub DOIFtools_eM($$$$) {
         }
       }
   }
-  return $ret;
+  return $ret ? $ret : undef;
 }
 ######################
 # Show the content of the log (plain text), or an image and offer a link