diff --git a/roles/prometheus-node-exporter/tasks/main.yml b/roles/prometheus-node-exporter/tasks/main.yml
index aba7fd6..6dda7ad 100644
--- a/roles/prometheus-node-exporter/tasks/main.yml
+++ b/roles/prometheus-node-exporter/tasks/main.yml
@@ -99,6 +99,7 @@
 - name: Add the node to the targets
   set_fact:
     server_target: "[{{ server_target[0] | combine({'targets': [lan_address]}, list_merge='append_rp') }}]"
+  when: lan_address not in server_target.0.targets
 
 - name: Put the new target list
   copy: