diff --git a/packages/node_modules/@node-red/editor-client/src/js/nodes.js b/packages/node_modules/@node-red/editor-client/src/js/nodes.js
index a898834b0..9da5aad05 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/nodes.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/nodes.js
@@ -1664,6 +1664,7 @@ RED.nodes = (function() {
     function importNodes(newNodesObj,options) { // createNewIds,createMissingWorkspace) {
         const defOpts = { generateIds: false, addFlow: false, reimport: false, importMap: {} }
         options = Object.assign({}, defOpts, options)
+        options.importMap = options.importMap || {}
         const createNewIds = options.generateIds;
         const reimport = (!createNewIds && !!options.reimport)
         const createMissingWorkspace = options.addFlow;