diff --git a/libraries/object-persistor/src/ProjectKey.js b/libraries/object-persistor/src/ProjectKey.js
index 2ea0888ee3..195ef42d0d 100644
--- a/libraries/object-persistor/src/ProjectKey.js
+++ b/libraries/object-persistor/src/ProjectKey.js
@@ -20,3 +20,4 @@ function naiveReverse(string) {
 
 exports.format = format
 exports.pad = pad
+exports.naiveReverse = naiveReverse