diff --git a/tasks/provision.yml b/tasks/provision.yml
index 613f6fa038061911a2a339b53b12b29e7752f372..dba761111500e18425c7a614a5ffe3ff1ff0b660 100644
--- a/tasks/provision.yml
+++ b/tasks/provision.yml
@@ -6,7 +6,7 @@
     image: "{{ item.1.image | default(default_image) }}"
     tenancy: "{{ tenancy }}"
     assign_public_ip: "{{ item.1.assign_public_ip | default('no') }}"
-    vpc_subnet_id: "{{ (item.0.zone == 'presentation') | ternary(public_subnet_id,private_subnet_id) }}"
+    vpc_subnet_id: "{{ (item.0.zone == 'Presentation') | ternary(public_subnet_id,private_subnet_id) }}"
     volumes: "{{ item.1.volumes }}"
     #group_id: "{{ item.1.security_groups | default(ec2_group_facts.security_groups[0].group_id) }}"
     group:  "{{ item.1.security_groups | default(ec2_group_facts.security_groups[0].group_name) }}"