diff --git a/libraries/chain/asset_evaluator.cpp b/libraries/chain/asset_evaluator.cpp
index bc84cefd..889d9f25 100644
--- a/libraries/chain/asset_evaluator.cpp
+++ b/libraries/chain/asset_evaluator.cpp
@@ -518,6 +518,7 @@ void_result asset_publish_feeds_evaluator::do_apply(const asset_publish_feed_ope
 
 void_result asset_claim_fees_evaluator::do_evaluate( const asset_claim_fees_operation& o )
 { try {
+   FC_ASSERT( db().head_block_time() > HARDFORK_413_TIME );
    FC_ASSERT( o.amount_to_claim.asset_id(db()).issuer == o.issuer, "Asset fees may only be claimed by the issuer" );
    return void_result();
 } FC_CAPTURE_AND_RETHROW( (o) ) }
diff --git a/libraries/chain/include/graphene/chain/hardfork.hpp b/libraries/chain/include/graphene/chain/hardfork.hpp
index e5da0a01..2c557108 100644
--- a/libraries/chain/include/graphene/chain/hardfork.hpp
+++ b/libraries/chain/include/graphene/chain/hardfork.hpp
@@ -20,3 +20,4 @@
  */
 #pragma once
 
+#define HARDFORK_413_TIME (fc::time_point_sec( 1446652800 ))