diff --git a/docker/mjolnir/Dockerfile b/docker/mjolnir/Dockerfile
index b16bf28..d70c24f 100644
--- a/docker/mjolnir/Dockerfile
+++ b/docker/mjolnir/Dockerfile
@@ -1,6 +1,6 @@
 FROM matrixdotorg/mjolnir:latest
 WORKDIR /usr/src/mjolnir
-ADD https://raw.githubusercontent.com/matrix-org/mjolnir/main/config/default.yaml /etc/mjolnir/default.yaml
+ADD https://raw.githubusercontent.com/matrix-org/mjolnir/main/config/default.yaml /etc/mjolnir/default.yml
 ADD https://raw.githubusercontent.com/matrix-org/mjolnir/main/mjolnir-entrypoint.sh /usr/local/bin/mjolnir-entrypoint.sh
 RUN chmod +x /usr/local/bin/mjolnir-entrypoint.sh
 ADD start.sh /usr/local/bin/start.sh