diff --git a/Dockerfile b/Dockerfile
index 9711dce6..a57f4162 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -111,7 +111,7 @@ USER root
 RUN install -m 755 /srv/http/sync_assets.sh /usr/local/bin/sync_assets
 # Instalar la configuración de monit
 RUN install -m 640 -o root -g root /srv/http/monit.conf /etc/monit.d/sutty.conf
-RUN apk add --no-cache daemonize
+RUN apk add --no-cache daemonize ruby-webrick
 RUN install -m 755 /srv/http/prometheus.sh /usr/local/bin/prometheus
 
 # Mantener estos directorios!
diff --git a/Procfile b/Procfile
index 082ad0cb..2c951ac0 100644
--- a/Procfile
+++ b/Procfile
@@ -4,4 +4,4 @@ blazer_5m: bundle exec rake blazer:run_checks SCHEDULE="5 minutes"
 blazer_1h: bundle exec rake blazer:run_checks SCHEDULE="1 hour"
 blazer_1d: bundle exec rake blazer:run_checks SCHEDULE="1 day"
 blazer: bundle exec rake blazer:send_failing_checks
-prometheus: bundle exec prometheus_exporter -b 0.0.0.0 --prefix "sutty_" -d
+prometheus: bundle exec prometheus_exporter -b 0.0.0.0 --prefix "sutty_"
diff --git a/prometheus.sh b/prometheus.sh
index 98e68700..639e1d24 100755
--- a/prometheus.sh
+++ b/prometheus.sh
@@ -1,6 +1,4 @@
 #!/bin/sh
 set -e
 
-case $1 in
-  prometheus) daemonize -c /srv/http -p /tmp/prometheus.pid -l /tmp/prometheus.pid -u app /usr/bin/foreman start prometheus ;;
-esac
+daemonize -c /srv/http -p /tmp/prometheus.pid -l /tmp/prometheus.pid -u app /usr/bin/foreman start prometheus