diff --git a/README.md b/README.md
index 682a66f5617..2b0b988b754 100644
--- a/README.md
+++ b/README.md
@@ -218,7 +218,7 @@ guidelines][contributing].
 [maven-central-badge]: https://img.shields.io/maven-central/v/tech.picnic.error-prone-support/error-prone-support?color=blue
 [maven-central-search]: https://search.maven.org/artifact/tech.picnic.error-prone-support/error-prone-support
 [maven]: https://maven.apache.org
-[picnic-blog] https://blog.picnic.nl
+[picnic-blog]: https://blog.picnic.nl
 [pitest]: https://pitest.org
 [pitest-maven]: https://pitest.org/quickstart/maven
 [pr-badge]: https://img.shields.io/badge/PRs-welcome-brightgreen.svg