diff --git a/lib/vmpooler/api/v1.rb b/lib/vmpooler/api/v1.rb
index 1f4a23e..4c53d5f 100644
--- a/lib/vmpooler/api/v1.rb
+++ b/lib/vmpooler/api/v1.rb
@@ -209,7 +209,7 @@ module Vmpooler
             break
           else
             vms << [vmpool, vmname, vmtemplate]
-            metrics.increment("checkout.success.#{vmtemplate}")
+            metrics.increment("checkout.success.#{vmpool}")
           end
         end
       end