diff --git a/storage/storage.go b/storage/storage.go
index a4208e5..b507fb5 100644
--- a/storage/storage.go
+++ b/storage/storage.go
@@ -288,5 +288,5 @@ func (s StorageServiceDefault) DeleteObjectProof(ctx context.Context, protocol S
 }
 
 func (s StorageServiceDefault) getProofPath(protocol StorageProtocol, objectHash []byte) string {
-	return fmt.Sprintf("%s/%s.%s", protocol.Name(), protocol.EncodeFileName(objectHash), PROOF_EXTENSION)
+	return fmt.Sprintf("%s/%s%s", protocol.Name(), protocol.EncodeFileName(objectHash), PROOF_EXTENSION)
 }