diff --git a/fhem/FHEM/98_SVG.pm b/fhem/FHEM/98_SVG.pm
index 737b03121..1e871b5fe 100644
--- a/fhem/FHEM/98_SVG.pm
+++ b/fhem/FHEM/98_SVG.pm
@@ -529,7 +529,9 @@ SVG_PEdit($$$$)
   }
 
   $ret .= "<tr class=\"".(($r++&1)?"odd":"even")."\"><td colspan=\"3\">";
-  $ret .= FW_submit("submit", "Write .gplot file")."&nbsp;".
+  $ret .= (exists($conf{readonly}) ?
+              '<span>.gplot file is "set readonly"</span>' :
+              FW_submit("submit", "Write .gplot file")."&nbsp;").
           FW_submit("showFileLogData", "Show preprocessed input").
           "</td></tr>";
 
diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index a7e0a9798..1ef289e7c 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -3872,7 +3872,8 @@ DoTrigger($$@)
 
           my $txt = ($inform{$c}{type} eq "timer" ? "$t " : "").
                         "$hash->{TYPE} $dev $event\n";
-          my $enc = $dc->{encoding} && $dc->{encoding} eq "latin1" ? "Latin1":"UTF-8";
+          my $enc = $dc->{encoding} &&
+                    $dc->{encoding} eq "latin1" ? "Latin1":"UTF-8";
           $txt = Encode::encode($enc, $txt) if($unicodeEncoding);
           addToWritebuffer($dc, $txt);
         }