diff --git a/red/nodes/Flow.js b/red/nodes/Flow.js
index 65f643cac..2e026af1f 100644
--- a/red/nodes/Flow.js
+++ b/red/nodes/Flow.js
@@ -537,6 +537,7 @@ function diffFlow(flow,config) {
     var flowNodes = {};
     var changedNodes = {};
     var deletedNodes = {};
+    var deletedSubflows = {};
     var deletedTabs = {};
     var linkChangedNodes = {};
     
@@ -591,10 +592,12 @@ function diffFlow(flow,config) {
     
     flow.config.forEach(function(node) {
         if (!flowNodes[node.id]) {
-            if (node.type != "tab") {
-                deletedNodes[node.id] = node;
-            } else {
+            if (node.type === "tab") {
                 deletedTabs[node.id] = node;
+            } else if (node.type === "subflow") {
+                deletedSubflows[node.id] = node;
+            } else {
+                deletedNodes[node.id] = node;
             }
         }
         buildNodeLinks(activeLinks,node,flow.allNodes);
@@ -720,9 +723,8 @@ function diffFlow(flow,config) {
     //     var n = flow.allNodes[id];
     //     console.log("[ ] [ ] [D]",n.id,n.type);
     // });
-    
     var diff = {
-        deleted: Object.keys(deletedNodes).filter(function(id) { return deletedNodes[id].type != "subflow" && (!deletedNodes[id].z || deletedTabs[deletedNodes[id].z] || flowNodes[deletedNodes[id].z].type != "subflow")}),
+        deleted: Object.keys(deletedNodes).filter(function(id) { return deletedNodes[id].type != "subflow" && (!deletedNodes[id].z || deletedTabs[deletedNodes[id].z] || !(deletedSubflows[deletedNodes[id].z] || flowNodes[deletedNodes[id].z].type == "subflow"))}),
         changed: Object.keys(changedNodes).filter(function(id) { return changedNodes[id].type != "subflow" && (!changedNodes[id].z || flowNodes[changedNodes[id].z].type != "subflow")}),
         linked: Object.keys(linkChangedNodes).filter(function(id) { return linkChangedNodes[id].type != "subflow" && (!linkChangedNodes[id].z || flowNodes[linkChangedNodes[id].z].type != "subflow")}),
         wiringChanged: []