diff --git a/fhem/FHEM/10_MQTT2_DEVICE.pm b/fhem/FHEM/10_MQTT2_DEVICE.pm
index 0940d2c3c..8a78313fd 100644
--- a/fhem/FHEM/10_MQTT2_DEVICE.pm
+++ b/fhem/FHEM/10_MQTT2_DEVICE.pm
@@ -215,7 +215,7 @@ MQTT2_DEVICE_Parse($$)
       my $cidArr = $modules{MQTT2_DEVICE}{defptr}{cid}{$newCid};
       return if(!$cidArr);
       my $add;
-      if(length($value) < 10000 && $value =~ m/^{.*}$/s) {
+      if(length($value) < 10000 && $value =~ m/^\s*{.*}\s*$/s) {
         my $ret = json2nameValue($value);
         if(keys %{$ret}) {
           $topic =~ m,.*/([^/]+),;
diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index b5dbabf4d..d8dccc86a 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -5203,7 +5203,7 @@ json2nameValue($;$$)
     return (undef, $in);
   }
 
-  $in = $1 if($in =~ m/^{(.*)}$/s);
+  $in = $1 if($in =~ m/^\s*{(.*)}\s*$/s);
 
   my $err;
   while($in =~ m/^\s*"([^"]+)"\s*:\s*(.*)$/s) {