diff --git a/libraries/chain/block_state.cpp b/libraries/chain/block_state.cpp
index c2c7ed92f7..ddb53e5cee 100644
--- a/libraries/chain/block_state.cpp
+++ b/libraries/chain/block_state.cpp
@@ -12,13 +12,17 @@ block_state::block_state(const block_header_state& prev, signed_block_ptr b, con
 {}
 
 block_state::block_state(const block_header_state& bhs, deque<transaction_metadata_ptr>&& trx_metas,
-                         deque<transaction_receipt>&& trx_receipts)
+                         deque<transaction_receipt>&& trx_receipts, const std::optional<quorum_certificate>& qc)
    : block_header_state(bhs)
    , block(std::make_shared<signed_block>(signed_block_header{bhs.header})) // [greg todo] do we need signatures?
    , pub_keys_recovered(true) // probably not needed
    , cached_trxs(std::move(trx_metas))
 {
    block->transactions = std::move(trx_receipts);
+
+   if( qc && bhs.is_needed(*qc) ) {
+      emplace_extension(block->block_extensions, quorum_certificate_extension::extension_id(), fc::raw::pack( *qc ));
+   }
 }
 
 // Used for transition from dpos to instant-finality
diff --git a/libraries/chain/controller.cpp b/libraries/chain/controller.cpp
index 38294a630a..2ac7acb64c 100644
--- a/libraries/chain/controller.cpp
+++ b/libraries/chain/controller.cpp
@@ -549,7 +549,7 @@ struct assembled_block {
                                    },
                                    [&](assembled_block_if& ab) {
                                       auto bsp = std::make_shared<block_state>(ab.bhs, std::move(ab.trx_metas),
-                                                                               std::move(ab.trx_receipts));
+                                                                               std::move(ab.trx_receipts), ab.qc);
                                       return completed_block{std::move(bsp)};
                                    }},
                         v);
diff --git a/libraries/chain/include/eosio/chain/block_state.hpp b/libraries/chain/include/eosio/chain/block_state.hpp
index 26c3883ff7..aeb8298d9c 100644
--- a/libraries/chain/include/eosio/chain/block_state.hpp
+++ b/libraries/chain/include/eosio/chain/block_state.hpp
@@ -48,7 +48,7 @@ struct block_state : public block_header_state {     // block_header_state provi
                const validator_t& validator, bool skip_validate_signee);
 
    block_state(const block_header_state& bhs, deque<transaction_metadata_ptr>&& trx_metas,
-               deque<transaction_receipt>&& trx_receipts);
+               deque<transaction_receipt>&& trx_receipts, const std::optional<quorum_certificate>& qc);
 
    explicit block_state(const block_state_legacy& bsp);
 };