1 files changed, 1 insertions, 1 deletions
diff --git a/light/trie.go b/light/trie.go
index 4d4abe137..27abb1dc2 100644
--- a/light/trie.go
+++ b/light/trie.go
@@ -141,7 +141,7 @@ func (t *odrTrie) GetKey(sha []byte) []byte {
 	return nil
 }
 
-func (t *odrTrie) Prove(key []byte, fromLevel uint, proofDb ethdb.Putter) error {
+func (t *odrTrie) Prove(key []byte, fromLevel uint, proofDb ethdb.Writer) error {
 	return errors.New("not implemented, needs client/server interface split")
 }