diff --git a/README.md b/README.md
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@@ -98,6 +98,6 @@ wGRR3 also uses the protein families. But this time, if two BBH pairs are found
 
 Common3 is the number of protein families containing at least one BBH divided by the denominator of wGRR3.
 
-![wgrr.jpg](https://gitlab.pasteur.fr/jgugliel/wgrr/-/raw/main/wgrr.jpg)
+![wgrr.png](https://gitlab.pasteur.fr/jgugliel/wgrr/-/raw/main/wgrr.png)
 
 [1]: https://mmseqs.com/
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