diff --git a/fhem/FHEM/01_FHEMWEB.pm b/fhem/FHEM/01_FHEMWEB.pm
index 192bf5eec..fb744ca8a 100755
--- a/fhem/FHEM/01_FHEMWEB.pm
+++ b/fhem/FHEM/01_FHEMWEB.pm
@@ -2849,7 +2849,7 @@ FW_Notify($$)
           next; #ignore 'set' commands
         }
         my ($readingName,$readingVal) = split(": ",$events->[$i],2);
-        next if($readingName !~ m/^[A-Za-z\d_\.\-\/]+$/); # Forum #70608
+        next if($readingName !~ m/^[A-Za-z\d_\.\-\/:]+$/); # Forum #70608,70844
         push @data, FW_longpollInfo($h->{fmt},
                                 "$dn-$readingName", $readingVal,$readingVal);
         push @data, FW_longpollInfo($h->{fmt}, "$dn-$readingName-ts", $tn, $tn);