diff --git a/contracts/registry/UsernameRegistrar.sol b/contracts/registry/UsernameRegistrar.sol
index 7b02d7d..6e1482f 100644
--- a/contracts/registry/UsernameRegistrar.sol
+++ b/contracts/registry/UsernameRegistrar.sol
@@ -291,6 +291,7 @@ contract UsernameRegistrar is Controlled, ApproveAndCallFallBack {
     function moveRegistry()
         external
     {
+        require(state == RegistrarState.Active, "Cannot update state of an non active registrar.")
         require(ensRegistry.owner(ensNode) != address(this), "Cannot move to self.");
         setState(RegistrarState.Moved);
         emit RegistryMoved(_newRegistry);