diff --git a/nginx/config.yaml b/nginx/config.yaml
index 8815d5886d12829ac1358e4d92b374729e908742..30a5fdcdf815f54e62745da1dbc664b1e42c0d56 100644
--- a/nginx/config.yaml
+++ b/nginx/config.yaml
@@ -1,7 +1,7 @@
 
 ---
 input:
-  - instance_ip_nginx-host
+  - instance_ip_nginx_host
   - instance_server_private_key_user1
 output: []
 engine: ansible
diff --git a/nginx/inventory.j2 b/nginx/inventory.j2
index b95b2c1b62b32c96567de07cb942b4482158a272..0ee7729eea967e26b05a6f183c3d5d5414fc77eb 100644
--- a/nginx/inventory.j2
+++ b/nginx/inventory.j2
@@ -1,7 +1,7 @@
 
 
 [servers_for_nginx]
-{{ instance_ip_nginx-host }}
+{{ instance_ip_nginx_host }}
 
 [servers_for_nginx:vars]
 ansible_connection=ssh
diff --git a/piacere_monitoring/config.yaml b/piacere_monitoring/config.yaml
index 8815d5886d12829ac1358e4d92b374729e908742..30a5fdcdf815f54e62745da1dbc664b1e42c0d56 100644
--- a/piacere_monitoring/config.yaml
+++ b/piacere_monitoring/config.yaml
@@ -1,7 +1,7 @@
 
 ---
 input:
-  - instance_ip_nginx-host
+  - instance_ip_nginx_host
   - instance_server_private_key_user1
 output: []
 engine: ansible
diff --git a/piacere_monitoring/inventory.j2 b/piacere_monitoring/inventory.j2
index 2eaf2660367c17d52f3a287a33c12ae571df7ba4..fef1c49e2c00c126e84029dd68c4291a2f8fea59 100644
--- a/piacere_monitoring/inventory.j2
+++ b/piacere_monitoring/inventory.j2
@@ -1,7 +1,7 @@
 
 
 [servers_for_piacere_monitoring]
-{{ instance_ip_nginx-host }}
+{{ instance_ip_nginx_host }}
 
 [servers_for_piacere_monitoring:vars]
 ansible_connection=ssh
diff --git a/terraform/config.yaml b/terraform/config.yaml
index 19fb5ea62d9c9dbf57bd65f1ef99426c0cb32a93..6f073a2adbc7af6e05d2d8f9a8e674bc965c13aa 100644
--- a/terraform/config.yaml
+++ b/terraform/config.yaml
@@ -11,6 +11,6 @@ output:
 
   - instance_server_public_key_user1
   - instance_server_private_key_user1
-  - instance_ip_nginx-host
+  - instance_ip_nginx_host
 
 ...
diff --git a/terraform/output.tf b/terraform/output.tf
index df684959ad6aac32b01563c3f6ce9cc794431de4..beabebf135921461be64738fb2fd505ec34835bf 100644
--- a/terraform/output.tf
+++ b/terraform/output.tf
@@ -8,7 +8,7 @@ output "instance_server_private_key_user1" {
   value = openstack_compute_keypair_v2.user1.private_key
 }
 
-output "instance_ip_nginx-host" {
+output "instance_ip_nginx_host" {
   value = openstack_compute_floatingip_associate_v2.vm1_floating_ip_association.floating_ip
 }