diff --git a/library/roles/prometheus-haproxy-exporter/templates/haproxy_exporter.systemd.j2 b/library/roles/prometheus-haproxy-exporter/templates/haproxy_exporter.systemd.j2
index 726a6f6d..d0fa079e 100644
--- a/library/roles/prometheus-haproxy-exporter/templates/haproxy_exporter.systemd.j2
+++ b/library/roles/prometheus-haproxy-exporter/templates/haproxy_exporter.systemd.j2
@@ -8,5 +8,5 @@ Type=simple
 User={{ prometheus_h_e_user }}
 Group={{ prometheus_h_e_user }}
 
-ExecStart={{ prometheus_h_e_cmd }}  {{ prometheus_h_e_opts }} {{ prometheus_h_e_additional_opts }} --collector.systemd
+ExecStart={{ prometheus_h_e_cmd }}  {{ prometheus_h_e_opts }} {{ prometheus_h_e_additional_opts }}