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 68ea374d6..5ffb55527 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
@@ -196,6 +196,11 @@ RED.nodes = (function() {
         if (n.type.indexOf("subflow") !== 0) {
             n["_"] = n._def._;
         } else {
+            var subflowId = n.type.substring(8);
+            var sf = RED.nodes.subflow(subflowId);
+            if (sf) {
+                sf.instances.push(sf);
+            }
             n["_"] = RED._;
         }
         if (n._def.category == "config") {
@@ -284,6 +289,15 @@ RED.nodes = (function() {
                         }
                     }
                 }
+
+                if (node.type.indexOf("subflow:") === 0) {
+                    var subflowId = node.type.substring(8);
+                    var sf = RED.nodes.subflow(subflowId);
+                    if (sf) {
+                        sf.instances.splice(sf.instances.indexOf(node),1);
+                    }
+                }
+
                 if (updatedConfigNode) {
                     RED.workspaces.refresh();
                 }
@@ -297,6 +311,9 @@ RED.nodes = (function() {
                 RED.events.emit('nodes:remove',node);
             }
         }
+
+
+
         if (node && node._def.onremove) {
             // Deprecated: never documented but used by some early nodes
             console.log("Deprecated API warning: node type ",node.type," has an onremove function - should be oneditremove - please report");
@@ -459,6 +476,7 @@ RED.nodes = (function() {
                 module: "node-red"
             }
         });
+        sf.instances = [];
         sf._def = RED.nodes.getType("subflow:"+sf.id);
         RED.events.emit("subflows:add",sf);
     }
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js b/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
index 29e8ab06b..aacb89bcc 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
@@ -883,13 +883,13 @@ RED.editor = (function() {
             var userCount = 0;
             var subflowType = "subflow:"+node.id;
 
-            RED.nodes.eachNode(function(n) {
-                if (n.type === subflowType) {
-                    userCount++;
-                }
-            });
+            // RED.nodes.eachNode(function(n) {
+            //     if (n.type === subflowType) {
+            //         userCount++;
+            //     }
+            // });
             $("#red-ui-editor-subflow-user-count")
-                .text(RED._("subflow.subflowInstances", {count:userCount})).show();
+                .text(RED._("subflow.subflowInstances", {count:node.instances.length})).show();
         }
 
         $('<div class="form-row">'+
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info.js b/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info.js
index 418939a72..78eb6e5b0 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info.js
@@ -240,13 +240,8 @@ RED.sidebar.info = (function() {
                     subflowNode = node;
                 }
 
-                subflowUserCount = 0;
                 var subflowType = "subflow:"+subflowNode.id;
-                RED.nodes.eachNode(function(n) {
-                    if (n.type === subflowType) {
-                        subflowUserCount++;
-                    }
-                });
+                subflowUserCount = subflowNode.instances.length;
             }
 
             propertiesPanelHeaderIcon.empty();