diff --git a/pica-metrologie/alertmanager/Dockerfile b/pica-metrologie/alertmanager/Dockerfile
index aedb463a02c8bb9e01b712863afa37276e888a23..b5a69985b5eb06c5410796a97288771dedd805b7 100644
--- a/pica-metrologie/alertmanager/Dockerfile
+++ b/pica-metrologie/alertmanager/Dockerfile
@@ -8,4 +8,4 @@ USER root
 RUN chmod +x /entrypoint.sh
 
 ENTRYPOINT [ "/entrypoint.sh" ]
-CMD [ "/bin/alertmanager", "--config.file=/config/alertmanager-with-secrets.yml", "--storage.path=/alertmanager" ]
+CMD [ "/bin/alertmanager", "--config.file=/etc/amtool/config.yml", "--storage.path=/alertmanager" ]
diff --git a/pica-metrologie/alertmanager/entrypoint.sh b/pica-metrologie/alertmanager/entrypoint.sh
index a8cc1956760a4300375f8a9110625908c5da079d..19a3a41873332256867969859fc9ead62917bdfd 100644
--- a/pica-metrologie/alertmanager/entrypoint.sh
+++ b/pica-metrologie/alertmanager/entrypoint.sh
@@ -12,9 +12,10 @@ fi
 # a long debate about whether env variable should be used for configuration,
 # and they voted no. See https://github.com/prometheus/prometheus/issues/2357 for exemple.
 # We have no other trivial way if we want to commit the configuration file without secrets inside.
-cp /config/alertmanager.yml /config/alertmanager-with-secrets.yml
-sed -i "s@\$MATTERMOST_WEBHOOK@${MATTERMOST_WEBHOOK}@g" /config/alertmanager-with-secrets.yml
-sed -i "s@\$MATTERMOST_CHANNEL@${MATTERMOST_CHANNEL}@g" /config/alertmanager-with-secrets.yml
+mkdir -p /etc/amtool
+cp /config/alertmanager.yml /etc/amtool/config.yml
+sed -i "s@\$MATTERMOST_WEBHOOK@${MATTERMOST_WEBHOOK}@g" /etc/amtool/config.yml
+sed -i "s@\$MATTERMOST_CHANNEL@${MATTERMOST_CHANNEL}@g" /etc/amtool/config.yml
 
 # Substitue shell with `command` in Dockerfile
 exec $@