diff --git a/fhem/FHEM/21_OWID.pm b/fhem/FHEM/21_OWID.pm
index 9e2bc1ad4..1c18e8b28 100644
--- a/fhem/FHEM/21_OWID.pm
+++ b/fhem/FHEM/21_OWID.pm
@@ -87,7 +87,7 @@ sub OWID_Initialize ($) {
   $hash->{AttrFn}   = "OWID_Attr";
   $hash->{NotifyFn} = "OWID_Notify";
   $hash->{InitFn}   = "OWID_Init";
-  $hash->{AttrList} = "IODev do_not_notify:0,1 showtime:0,1 model interval".
+  $hash->{AttrList} = "IODev do_not_notify:0,1 showtime:0,1 model interval ".
                       $readingFnAttributes;
 
   #--make sure OWX is loaded so OWX_CRC is available if running with OWServer