diff --git a/fhem/FHEM/01_FHEMWEB.pm b/fhem/FHEM/01_FHEMWEB.pm
index c0b597a51..e4f7b3b33 100755
--- a/fhem/FHEM/01_FHEMWEB.pm
+++ b/fhem/FHEM/01_FHEMWEB.pm
@@ -372,10 +372,14 @@ FW_Read($)
 
   $arg = "" if(!defined($arg));
   Log3 $FW_wname, 4, "HTTP $name GET $arg";
+  $FW_ME = "/" . AttrVal($FW_wname, "webname", "fhem");
   my $pid;
   if(AttrVal($FW_wname, "plotfork", undef)) {
     # Process SVG rendering as a parallel process
-    return if(($arg =~ m+/SVG_showLog+) && ($pid = fork));
+    my $p = $data{FWEXT};
+    if(grep { $p->{$_}{FORKABLE} && $arg =~ m+^$FW_ME$_+ } keys %{$p}) {
+      return if($pid = fork);
+    }
   }
 
   my $cacheable = FW_answerCall($arg);
@@ -437,7 +441,6 @@ FW_answerCall($)
 
   $FW_RET = "";
   $FW_RETTYPE = "text/html; charset=$FW_encoding";
-  $FW_ME = "/" . AttrVal($FW_wname, "webname", "fhem");
   $FW_CSRF = ($defs{$FW_wname}{CSRFTOKEN} ?
                 "&fwcsrf=".$defs{$FW_wname}{CSRFTOKEN} : "");
 
diff --git a/fhem/FHEM/98_SVG.pm b/fhem/FHEM/98_SVG.pm
index bfcc7abfd..0ef198bf2 100755
--- a/fhem/FHEM/98_SVG.pm
+++ b/fhem/FHEM/98_SVG.pm
@@ -55,6 +55,7 @@ SVG_Initialize($)
   $hash->{FW_atPageEnd} = 1;
   $data{FWEXT}{"/SVG_WriteGplot"}{CONTENTFUNC} = "SVG_WriteGplot";
   $data{FWEXT}{"/SVG_showLog"}{FUNC} = "SVG_showLog";
+  $data{FWEXT}{"/SVG_showLog"}{FORKABLE} = 1;
 }
 
 #####################################
diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index 5a2884585..9c13baae1 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -2344,8 +2344,8 @@ CommandSetstate($$)
 
     } else {
 
-      # The timestamp is not the correct one, but we do not store a timestamp for
-      # this reading.
+      # The timestamp is not the correct one, but we do not store a timestamp
+      # for this reading.
       my $tn = TimeNow();
       $oldvalue{$sdev}{TIME} = $tn;
       $oldvalue{$sdev}{VAL} = ($init_done ? $d->{STATE} : $a[1]);