From ae1731ca3474289be030756ffdb46bf495304a94 Mon Sep 17 00:00:00 2001
From: neubert <neubert@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Tue, 28 Sep 2021 15:32:14 +0000
Subject: [PATCH] 57_Calendar: eliminate warning (forum #122850)

git-svn-id: https://svn.fhem.de/fhem/trunk@25029 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/57_Calendar.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/57_Calendar.pm b/fhem/FHEM/57_Calendar.pm
index d64f47d0a..9efcead5d 100644
--- a/fhem/FHEM/57_Calendar.pm
+++ b/fhem/FHEM/57_Calendar.pm
@@ -2088,7 +2088,7 @@ sub Calendar_Get($@) {
             } else {
               $d1= $2;
               $d2= $d1;
-              if($4 ne '') {
+              if(defined($4) and ($4 ne '')) {
                 $d2= $4;
               }
               ($d1,$d2)= ($d2,$d1) if($d1> $d2);