diff --git a/output_files_generated/nginx_openstack/nginx/main.yaml b/output_files_generated/nginx_openstack/nginx/main.yml
similarity index 100%
rename from output_files_generated/nginx_openstack/nginx/main.yaml
rename to output_files_generated/nginx_openstack/nginx/main.yml
diff --git a/output_files_generated/nginx_openstack/piacere_monitoring/main.yaml b/output_files_generated/nginx_openstack/piacere_monitoring/main.yml
similarity index 100%
rename from output_files_generated/nginx_openstack/piacere_monitoring/main.yaml
rename to output_files_generated/nginx_openstack/piacere_monitoring/main.yml
diff --git a/plugin/AnsiblePlugin.py b/plugin/AnsiblePlugin.py
index 026c5b9c8cebf0ea127a2764e9d90060d44d92bd..c4d0146db2b461bb1681dbd69836e33fdc37df01 100644
--- a/plugin/AnsiblePlugin.py
+++ b/plugin/AnsiblePlugin.py
@@ -57,7 +57,7 @@ def create_files(step, output_path):
             # for resource_params in parameters[resource_name]:
             resource_params = parameters[resource_name]
 
-            ansible_output_file_path = output_path + "/".join([step_name, "main"]) + ".yaml"
+            ansible_output_file_path = output_path + "/".join([step_name, "main"]) + ".yml"
             inventory_output_file_path = output_path + "/".join([step_name, "inventory"]) + ".j2"
             config_output_file_path = output_path + "/".join([step_name, "config"]) + ".yaml"
             ssh_key_output_file_path = output_path + "/".join([step_name, "ssh_key.j2"])