diff --git a/prometheus-odoo-license-exporter b/prometheus-odoo-license-exporter
index ffe7c7b..23aa675 100755
--- a/prometheus-odoo-license-exporter
+++ b/prometheus-odoo-license-exporter
@@ -10,6 +10,7 @@ import sys
 
 
 USER = "odoo"
+HTTP_HOST = "::"
 HTTP_PORT = 9402
 INTERVAL = 10
 
@@ -26,7 +27,7 @@ if __name__ == '__main__':
             "Remaining days before Odoo license expiration")
 
     # Serve metrics over HTTP
-    start_http_server(HTTP_PORT)
+    start_http_server(host=HTTP_HOST, port=HTTP_PORT)
 
     # Open connection
     with psycopg2.connect(database=DBNAME, user=USER) as conn: