diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 2768b6fbf3..10656ff026 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -834,6 +834,9 @@ func (s *PublicBlockChainAPI) getHeaderWithAuthor(head *types.Header) error {
 func (s *PublicBlockChainAPI) GetBlockByNumber(ctx context.Context, number rpc.BlockNumber, fullTx bool) (map[string]interface{}, error) {
 	block, err := s.b.BlockByNumber(ctx, number)
 	if block != nil && err == nil {
+		if err = s.getHeaderWithAuthor(block.Header()); err != nil {
+			return nil, err
+		}
 		response, err := s.rpcMarshalBlock(ctx, block, true, fullTx)
 		if err == nil && number == rpc.PendingBlockNumber {
 			// Pending blocks need to nil out a few fields
@@ -857,6 +860,9 @@ func (s *PublicBlockChainAPI) GetBlockByNumber(ctx context.Context, number rpc.B
 func (s *PublicBlockChainAPI) GetBlockByHash(ctx context.Context, hash common.Hash, fullTx bool) (map[string]interface{}, error) {
 	block, err := s.b.BlockByHash(ctx, hash)
 	if block != nil {
+		if err = s.getHeaderWithAuthor(block.Header()); err != nil {
+			return nil, err
+		}
 		response, err := s.rpcMarshalBlock(ctx, block, true, fullTx)
 		// append marshalled bor transaction
 		if err == nil && response != nil {