From bc5db2c33c9164b1c26bb56a47ff8f269a644174 Mon Sep 17 00:00:00 2001
From: borisneubert <borisneubert@users.noreply.github.com>
Date: Mon, 22 Aug 2022 15:06:57 +0000
Subject: [PATCH] 57_Calendar: use correct operator for string concatenation
 (forum #128861)

git-svn-id: https://svn.fhem.de/fhem/trunk@26344 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 43b5d7fc0..0fa761310 100644
--- a/fhem/FHEM/57_Calendar.pm
+++ b/fhem/FHEM/57_Calendar.pm
@@ -533,7 +533,7 @@ sub td {
   push @r, sprintf("%dd", $d) if $d> 0;
   if($m>0 || $s>0) {
     my $t= sprintf("%d:%02d", $h, $m);
-    $t+= sprintf("\'%02d", $s) if $s> 0;
+    $t.= sprintf("\'%02d", $s) if $s> 0;
     push @r, $t;
   } else {
     push @r, sprintf("%dh", $h) if $h> 0;