diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index 3ca72de37..86a98f260 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -4666,6 +4666,7 @@ OldReadingsNum($$$;$)
   my ($d,$n,$default,$round) = @_;
   my $val = OldReadingsVal($d,$n,$default);
   return undef if(!defined($val));
+  return $val if(looks_like_number($val)); # 137283
   $val = ($val =~ /(-?\d+(\.\d+)?)/ ? $1 : "");
   $val =~ s/^(-?)0+([1-9])/$1$2/; # Forum #135120, dont want octal numbers
   return $default if($val eq "");
@@ -4714,6 +4715,7 @@ ReadingsNum($$$;$)
   my ($d,$n,$default,$round) = @_;
   my $val = ReadingsVal($d,$n,$default);
   return undef if(!defined($val));
+  return $val if(looks_like_number($val)); # 137283
   $val = ($val =~ /(-?\d+(\.\d+)?)/ ? $1 : "");
   $val =~ s/^(-?)0+([1-9])/$1$2/; # Forum #135120, dont want octal numbers
   return $default if($val eq "");