diff --git a/packages/ogre/src/repository.ts b/packages/ogre/src/repository.ts
index 1de5cd1..30c059e 100644
--- a/packages/ogre/src/repository.ts
+++ b/packages/ogre/src/repository.ts
@@ -21,7 +21,7 @@ import {
   createHeadRefValue,
   getLastRefPathElement,
   headValueRefPrefix,
-  immutableRefCopy,
+  immutableMapCopy,
   localHeadPathPrefix,
   mapPath,
   mutableMapCopy,
@@ -109,7 +109,7 @@ export class Repository<T extends { [k: PropertyKey]: any }>
   constructor(obj: Partial<T>, options: RepositoryOptions<T>) {
     // FIXME: move this to refs/remote as git would do?
 
-    this.remoteRefs = immutableRefCopy(options.history?.refs);
+    this.remoteRefs = immutableMapCopy(options.history?.refs);
     this.original = deepClone(obj);
     // store js ref, so obj can still be modified without going through repo.data
     this.data = obj as T;
diff --git a/packages/ogre/src/utils.ts b/packages/ogre/src/utils.ts
index 6be4067..b33714f 100644
--- a/packages/ogre/src/utils.ts
+++ b/packages/ogre/src/utils.ts
@@ -218,7 +218,7 @@ export const printChange = (chg: Operation) => {
 export const getLastRefPathElement = (thePath: string) =>
   thePath.substring(thePath.lastIndexOf("/") + 1);
 
-export const immutableRefCopy = <T extends object>(
+export const immutableMapCopy = <T extends object>(
   map: Map<string, T> | undefined,
 ) => {
   if (!map) {