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I have looked into multiple questions about this already, but none of the answers seems to work on my problem. I am using biblatex for referencing. When citing in text, i would like to have : (Author et. al. 2010). For now it is working for all my references, but for 2 or 3 articles.

Here is my code 

\documentclass[12pt,a4paper,oneside]{book}
\usepackage[backend=biber,style=authoryear,maxbibnames=20,maxcitenames=1]{biblatex} 
\addbibresource{mybibliography.bib} 
\printbibliography

and mybibliography.bib

@article{pinxten2017risk,
  title={At-risk at the gate: prediction of study success of first-year science and engineering students in an open-admission university in Flanders—any incremental validity of study strategies?},
  author={Pinxten, Maarten and Van Soom, Carolien and Peeters, Christine and De Laet, Tinne and Langie, Greet},
  journal={European Journal of Psychology of Education},
  pages={1--22},
  year={2017},
  publisher={Springer}
}

I want to get :

\parencite{pinxten2017risk}

(Pinxten et al. 2017)

but instead i get: 

\parencite{pinxten2017risk}

(Pinxten, Van Soom, et al. 2017)

How can i fix this?

Improve this question
  • Welcome to TeX.SE! Your code does not form a minimal working example. I tested it the way I understood it and it works for me the way you want. So please provide a working MWE. – K-HB Mar 27 '19 at 22:26
  • 3
    Is "Pinxten et al. 2017" perhaps ambiguous? Some styles do add additional information if there are multiple articles which would be cited the same way otherwise. – Skillmon Mar 27 '19 at 22:30
  • 2
    This is also true if the first author matches but not the second one and the date. In that case your style will print the first two authors for both keys plus the date. If the authors match completely but the dates don't then the style will only show the first author, though. So all in all this is expected behaviour (if you have two references from Pinxten). – Skillmon Mar 27 '19 at 22:37
  • From the information shown so far we can not be absolutely sure, but like Skillmon I would bet on uniquelist being the culprit. See tex.stackexchange.com/q/69028/35864. – moewe Mar 28 '19 at 5:25
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    @Skillmon, yes you are right, "Pinxten et al. 2017" is ambiguous. unniquelist as suggested by @moewe solved my problem – user1607 Mar 31 '19 at 20:08

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