diff --git a/roles/icinga-monitor/templates/disk.j2 b/roles/icinga-monitor/templates/disk.j2
index 090dc0f..ce17be5 100644
--- a/roles/icinga-monitor/templates/disk.j2
+++ b/roles/icinga-monitor/templates/disk.j2
@@ -1,7 +1,7 @@
 {% for disk in disks %}
 
-  vars.disks["{{ disk }}"] = {
-    disk_partitions = "{{ disks }}"
+  vars.disks["disk {{ disk }}"] = {
+    disk_partitions = "{{ disk }}"
     disk_wfree = "10%"
     disk_cfree = "5%"
   }