diff --git a/lib/local_comms.js b/lib/local_comms.js
index f8afb96..7d37e5e 100644
--- a/lib/local_comms.js
+++ b/lib/local_comms.js
@@ -684,7 +684,7 @@ function Database(){
             function(callback){
                 global.coinFuncs.getBlockHeaderByHash(oldestLockedBlock.hash, (err, result) => {
                     oldestLockedBlock.height = result.height;
-                    callback(oldestLockedBlock);
+                    callback(null, oldestLockedBlock);
                 });
             },
             function(oldestLockedBlock, callback){