diff --git a/lib/query/lib/recursiveCompose.js b/lib/query/lib/recursiveCompose.js
index b2631be..b84b25c 100755
--- a/lib/query/lib/recursiveCompose.js
+++ b/lib/query/lib/recursiveCompose.js
@@ -4,7 +4,7 @@ import {getNodeNamespace} from './createGraph';
 function patchCursor(cursor, ns) {
     const originalObserve = cursor.observe;
     cursor.observe = function (callbacks) {
-        const newCallbacks = {};
+        const newCallbacks = Object.assign({}, callbacks);
         if (callbacks.added) {
             newCallbacks.added = doc => {
                 doc[`__query_path_${ns}`] = 1;