diff --git a/lib/vmpooler/api/v1.rb b/lib/vmpooler/api/v1.rb
index 3c8c8aa..22a0ef1 100644
--- a/lib/vmpooler/api/v1.rb
+++ b/lib/vmpooler/api/v1.rb
@@ -55,6 +55,7 @@ module Vmpooler
 
     def account_for_starting_vm(template, vm)
       backend.sadd('vmpooler__running__' + template, vm)
+      backend.sadd('vmpooler__migrating__' + template, vm)
       backend.hset('vmpooler__active__' + template, vm, Time.now)
       backend.hset('vmpooler__vm__' + vm, 'checkout', Time.now)