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 d387f01b3..865636b24 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
@@ -1965,7 +1965,7 @@ RED.nodes = (function() {
                         }
                     }
                 } else {
-                    const keepNodesCurrentZ = reimport && n.z && RED.workspaces.contains(n.z)
+                    const keepNodesCurrentZ = reimport && n.z && (RED.workspaces.contains(n.z) || RED.nodes.subflow(n.z))
                     if (!keepNodesCurrentZ && n.z && !workspace_map[n.z] && !subflow_map[n.z]) {
                         n.z = activeWorkspace;
                     }
@@ -2067,7 +2067,7 @@ RED.nodes = (function() {
                         node.id = getID();
                     } else {
                         node.id = n.id;
-                        const keepNodesCurrentZ = reimport && node.z && RED.workspaces.contains(node.z)
+                        const keepNodesCurrentZ = reimport && node.z && (RED.workspaces.contains(node.z) || RED.nodes.subflow(node.z))
                         if (!keepNodesCurrentZ && (node.z == null || (!workspace_map[node.z] && !subflow_map[node.z]))) {
                             if (createMissingWorkspace) {
                                 if (missingWorkspace === null) {
@@ -2740,6 +2740,7 @@ RED.nodes = (function() {
                     }
                 });
 
+                const nodeGroupMap = {}
                 var replaceNodeIds = Object.keys(replaceNodes);
                 if (replaceNodeIds.length > 0) {
                     var reimportList = [];
@@ -2750,6 +2751,12 @@ RED.nodes = (function() {
                         } else {
                             allNodes.removeNode(n);
                         }
+                        if (n.g) {
+                            // reimporting a node *without* including its group object
+                            // will cause the g property to be cleared. Cache it
+                            // here so we can restore it
+                            nodeGroupMap[n.id] = n.g
+                        }
                         reimportList.push(convertNode(n));
                         RED.events.emit('nodes:remove',n);
                     });
@@ -2771,6 +2778,18 @@ RED.nodes = (function() {
                     var newNodeMap = {};
                     result.nodes.forEach(function(n) {
                         newNodeMap[n.id] = n;
+                        if (nodeGroupMap[n.id]) {
+                            // This node is in a group - need to substitute the
+                            // node reference inside the group
+                            n.g = nodeGroupMap[n.id]
+                            const group = RED.nodes.group(n.g)
+                            if (group) {
+                                var index = group.nodes.findIndex(gn => gn.id === n.id)
+                                if (index > -1) {
+                                    group.nodes[index] = n
+                                }
+                            }
+                        }
                     });
                     RED.nodes.eachLink(function(l) {
                         if (newNodeMap.hasOwnProperty(l.source.id)) {