diff --git a/conf/nginx.conf b/conf/nginx.conf
index 3af9f44..a25d1a1 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -6,7 +6,7 @@ location __PATH__ {
     rewrite ^ https://$server_name$request_uri? permanent;
   }
 
-  proxy_pass http://127.0.0.1:__PORT____PATH__;
+  proxy_pass http://127.0.0.1:__PORT__;
   proxy_set_header Host $host;
   proxy_set_header X-Real-IP $remote_addr;
   proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
diff --git a/conf/systemd.service b/conf/systemd.service
index f2ba69c..d7eda5c 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -9,7 +9,8 @@ Group=__APP__
 WorkingDirectory=__FINALPATH__/
 ExecStart=__FINALPATH__/prometheus \
   --config.file=__FINALPATH__/prometheus.yml --web.enable-admin-api \
-  --web.external-url=__PATH__ \
+  --web.external-url=__PATH__/ \
+  --web.route-prefix=__PATH__/ \
   --web.listen-address=localhost:__PORT__
 StandardOutput=append:/var/log/__APP__/__APP__.log
 StandardError=inherit
diff --git a/scripts/install b/scripts/install
index 94ad0e8..2815c83 100755
--- a/scripts/install
+++ b/scripts/install
@@ -113,6 +113,7 @@ ynh_add_systemd_config
 ynh_script_progression --message="Configuring the app..." --weight=2
 
 ynh_replace_string --match_string="localhost:9090" --replace_string="localhost:$port" --target_file="$final_path/prometheus.yml"
+echo "    metrics_path: $path_url/metrics" >> "$final_path/prometheus.yml"
 
 #=================================================
 # GENERIC FINALIZATION