diff --git a/roles/prometheus-apache-exporter/tasks/main.yml b/roles/prometheus-apache-exporter/tasks/main.yml
index cd7a2ab6..7f58ea5e 100644
--- a/roles/prometheus-apache-exporter/tasks/main.yml
+++ b/roles/prometheus-apache-exporter/tasks/main.yml
@@ -12,5 +12,5 @@
     path: /etc/default/prometheus-apache-exporter
     regexp: '^ARGS='
     line: |
-      ARGS="-telemetry.address={{ adm_ipv4 }}:9117"
+      ARGS="--telemetry.address={{ adm_ipv4 }}:9117"
   notify: Restart prometheus-apache-exporter