From c41df7a93cc0d87e55a36388af2edfb37030a8f5 Mon Sep 17 00:00:00 2001
From: rudolfkoenig <>
Date: Sun, 21 Jul 2019 10:26:47 +0000
Subject: [PATCH] 01_FHEMWEB.pm: slight fix to websocket cmd return semantic

git-svn-id: https://svn.fhem.de/fhem/trunk@19878 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/01_FHEMWEB.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fhem/FHEM/01_FHEMWEB.pm b/fhem/FHEM/01_FHEMWEB.pm
index 274b984bb..858cbb00a 100644
--- a/fhem/FHEM/01_FHEMWEB.pm
+++ b/fhem/FHEM/01_FHEMWEB.pm
@@ -409,7 +409,8 @@ FW_Read($$)
     }
     $hash->{BUF} = "";
     my $ret = FW_fC($data);
-    FW_addToWritebuffer($hash, FW_longpollInfo("JSON", $ret)."\n") if($ret);
+    FW_addToWritebuffer($hash,
+                       FW_longpollInfo("JSON", defined($ret) ? $ret : "")."\n");
     return;
   }