diff --git a/fhem/FHEM/98_SVG.pm b/fhem/FHEM/98_SVG.pm
index 33672b6b6..602d71d90 100755
--- a/fhem/FHEM/98_SVG.pm
+++ b/fhem/FHEM/98_SVG.pm
@@ -107,7 +107,7 @@ SVG_render($$$$$$$$$)
   # Keep only the Filter part of the #FileLog
   $flog = join(" ", map { my @a=split(":",$_);
                           $a[1]=~s/\.[^\.]*$//; $a[1]; } @{$flog});
-  $flog = AttrVal($parent_name, "longpollSVG", 0) ? "flog=\"$flog\"" : "";
+  $flog = AttrVal($parent_name, "longpollSVG", 0) ? "flog=\" $flog \"" : "";
 
   ######################
   # Html Header
diff --git a/fhem/FHEM/98_weblink.pm b/fhem/FHEM/98_weblink.pm
index c6dd8a843..e028f0c79 100755
--- a/fhem/FHEM/98_weblink.pm
+++ b/fhem/FHEM/98_weblink.pm
@@ -384,6 +384,11 @@ weblink_WriteGplot($)
   my ($arg) = @_;
   FW_digestCgi($arg);
 
+  if(!defined($FW_webArgs{cl_0})) {
+    return("text/html;",
+           "missing data in logfile: won't write incomplete .gplot definition");
+  }
+
   my $hasTl;
   for(my $i=0; $i <= 8; $i++) {
     $hasTl = 1 if($FW_webArgs{"title_$i"});
@@ -434,9 +439,6 @@ weblink_WriteGplot($)
   print FH "plot ".join(",\\\n     ", @plot)."\n";
   close(FH);
 
-  #foreach my $k (sort keys %FW_webArgs) {
-  #  Log 1, "$k: $FW_webArgs{$k}";
-  #}
   return (undef, "continue");
 }