diff --git a/eth/api.go b/eth/api.go
index 4d059c2c27..c99cac792b 100644
--- a/eth/api.go
+++ b/eth/api.go
@@ -561,7 +561,7 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, txHash common.
 	return nil, errors.New("database inconsistency")
 }
 
-func (api *PrivateDebugAPI) GetPreimage(ctx context.Context, hash common.Hash) (hexutil.Bytes, error) {
+func (api *PrivateDebugAPI) Preimage(ctx context.Context, hash common.Hash) (hexutil.Bytes, error) {
 	db := core.PreimageTable(api.eth.ChainDb())
 	return db.Get(hash.Bytes())
 }