I'm trying to get rid of the comma that's in between the url and the url date. I'm using

    [letzter Zugriff: %

to get the urldate to show up as I want it to. The output with the link in front of it looks like this: enter image description here What I want is to get rid of the comma before the open square bracket. My MWE looks like this:

%!TEX program = lualatex 
\documentclass[a4paper, 11pt]{article}

\usepackage{setspace} %Zeilenabstand auf 1.5


\usepackage[style=authoryear-ibid,backend=biber, natbib=true, dashed=false, doi=false, isbn=false, eprint=false]{biblatex} % , block=ragged
\DeclareDelimFormat[bib,biblist]{nametitledelim}{\addcolon\space} % Doppelpunkt nach Jahr in Literaturverzeichnis, 

    [letzter Zugriff: %
    \thefield{urlday}.%\addspace     %  addcomma works !!!

%%%Für klickbare ToC



 author = {Frobeen, Anne},
 year = {04.05.2020},
 title = {Lernen im Schlaf: - ein Inter­view mit Schlaf­for­scher Jan Born},
 address = {in: https://www.tk.de/techniker/magazin/life-balance/besser-schlafen/schlaf-lernen-gedaechtnis-interview-jan-born-2059292},
 urldate = {2021-02-20}
  • Please provide a [MWEB]{tex.meta.stackexchange.com/questions/4407/…}. Without this we are only guessing your set up. The way you are formatting your urldate is not the way to do this. – David Purton Feb 28 at 22:11
  • @DavidPurton thank you, just added it. – Emkay Feb 28 at 22:18
  • Do you always have "in: " before a URL? Or just sometimes? – David Purton Feb 28 at 22:21
  • I've added it in front of every URL because I've been unable to find a soulution where I can put an "in" there and this seemed to work fine – Emkay Feb 28 at 22:23
  • I really cannot emphasise how much better the answer you got is than the definition of the urldate field format shown in the question: It is usually much better to use bibstrings than to hard-code text and the definition shown in the question completely disables all of biblatex's carefully crafted date handling and replaces it with a very basic approximation of manual date printing. If you got more biblatex advice from the same source you got that code from, you may want to reconsider that as well. – moewe Mar 1 at 7:37

I suggest a number of changes:

  • Use the date=short option so you use the proper format for the date field (your current format is not valid).
  • Use an @online type, not @misc.
  • Use the url field, not the address field which will cause you problems if the URL has special characters.
  • Redefine the urlseen string rather than hard coding it in the urldate format.
  • Use \mkbibbrackets in your urldate format to get square brackets.
  • Redefine the url format for online entries to insert "in: ".

If you do all this, then the comma before the urldate will go away by itself. You are getting it because you are abusing the address field to hold a URL.


%! TeX Program = lualatex
  author = {Frobeen, Anne},
  date = {2020-05-04},
  title = {Lernen im Schlaf: - ein Inter­view mit Schlaf­for­scher Jan Born},
  url = {https://www.tk.de/techniker/magazin/life-balance/besser-schlafen/schlaf-lernen-gedaechtnis-interview-jan-born-2059292},
  urldate = {2021-02-02}
\usepackage[style=authoryear-ibid, date=short]{biblatex}
  urlseen = {letzter Zugriff}


  • Thank you so much! This solved 2 problems of mine at once! Just a quick note, if someone is ever facing the same problem as me: If you're using Citavi or any other external software to manage your sources: Check your .bib file! – Emkay Feb 28 at 22:43
  • I've noticed that now every kind of source (books, articles) include the "in". Is there a way to use it for @online sources only? – Emkay Feb 28 at 23:06
  • @Emkay That's what I meant when I asked about do you always have "in: ". I'll make a change. Should books and articles use the standard "URL: " prefix? Or just plain? – David Purton Feb 28 at 23:34
  • Sorry, my bad. Books and articles have no URLs in document, so plain. Thank you very much. – Emkay Feb 28 at 23:37
  • Try that. This is probably better. Doing like I did it before was buggy. – David Purton Feb 28 at 23:41

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