diff --git a/core/blockchain.go b/core/blockchain.go
index e1b13a01e..8cf4d00d1 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -159,7 +159,7 @@ type CacheConfig struct {
 }
 
 // arbitrum: exposing CacheConfig.triedbConfig to be used by Nitro when initializing arbos in database
-func (c *CacheConfig) TriedbConfig() *trie.Config {
+func (c *CacheConfig) TriedbConfig() *triedb.Config {
 	return c.triedbConfig()
 }