diff --git a/packages/node_modules/@node-red/registry/lib/externalModules.js b/packages/node_modules/@node-red/registry/lib/externalModules.js
index 3d1ba3ba5..3458d4312 100644
--- a/packages/node_modules/@node-red/registry/lib/externalModules.js
+++ b/packages/node_modules/@node-red/registry/lib/externalModules.js
@@ -125,8 +125,6 @@ function importModule(module) {
     return import(moduleFile);
 }
 
-
-
 function parseModuleName(module) {
     var match = /((?:@[^/]+\/)?[^/@]+)(?:@([\s\S]+))?/.exec(module);
     if (match) {
@@ -254,6 +252,9 @@ async function installModule(moduleDetails) {
         return hooks.trigger("postInstall", triggerPayload)
     }).then(() => {
         log.info(log._("server.install.installed", { name: installSpec }));
+        const runtimeInstalledModules = settings.get("modules") || {};
+        runtimeInstalledModules[moduleDetails.module] = moduleDetails;
+        settings.set("modules",runtimeInstalledModules)
     }).catch(result => {
         var output = result.stderr || result.toString();
         var e;
@@ -275,10 +276,10 @@ async function installModule(moduleDetails) {
 }
 
 module.exports = {
-    init: init,
-    register: register,
-    registerSubflow: registerSubflow,
-    checkFlowDependencies: checkFlowDependencies,
+    init,
+    register,
+    registerSubflow,
+    checkFlowDependencies,
     require: requireModule,
     import: importModule
 }
diff --git a/packages/node_modules/@node-red/runtime/lib/storage/localfilesystem/settings.js b/packages/node_modules/@node-red/runtime/lib/storage/localfilesystem/settings.js
index d6484b1a6..f1813fdcc 100644
--- a/packages/node_modules/@node-red/runtime/lib/storage/localfilesystem/settings.js
+++ b/packages/node_modules/@node-red/runtime/lib/storage/localfilesystem/settings.js
@@ -20,7 +20,7 @@ const fspath = require("path");
 const log = require("@node-red/util").log;
 const util = require("./util");
 
-const configSections = ['nodes','users','projects'];
+const configSections = ['nodes','users','projects','modules'];
 
 const settingsCache = {};
 
@@ -59,6 +59,7 @@ async function migrateToMultipleConfigFiles() {
  *  - .config.nodes.json - the node registry
  *  - .config.users.json - user specific settings (eg editor settings)
  *  - .config.projects.json - project settings, including the active project
+ *  - .config.modules.json - external modules installed by the runtime
  *  - .config.runtime.json - everything else - most notable _credentialSecret
  */
 function writeSettings(data) {