diff --git a/defaults/main.yml b/defaults/main.yml
index 599554d7..313db456 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -45,7 +45,7 @@ prometheus_targets: []
 
 prometheus_scrape_jobs: []
 
-prometheus_custom_config_path: ''
+prometheus_config_file: 'prometheus.yml.j2'
 
 prometheus_alert_rules:
 - alert: InstanceDown
diff --git a/tasks/configure.yml b/tasks/configure.yml
index 52607181..773ed4b7 100644
--- a/tasks/configure.yml
+++ b/tasks/configure.yml
@@ -13,18 +13,13 @@
 
 - name: configure prometheus
   template:
-    src: "{{ item }}"
+    src: "{{ prometheus_config_file }}"
     dest: "{{ prometheus_config_dir }}/prometheus.yml"
     force: yes
     owner: prometheus
     group: prometheus
     mode: 0644
     validate: "{{ prometheus_config_validator }}"
-  with_first_found:
-    - files:
-        -  prometheus.yml.j2
-      paths:
-        - "{{ prometheus_custom_config_path }}"
   notify:
     - reload prometheus