diff --git a/package.json b/package.json
index d2fe2d4..bb18a42 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@drill4j/browser-extension",
-  "version": "0.3.5",
+  "version": "0.3.7",
   "license": "Apache-2.0",
   "scripts": {
     "build": "NODE_ENV=production webpack",
diff --git a/src/manifest.json b/src/manifest.json
index aa026c7..42f1ccf 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -1,6 +1,6 @@
 {
   "name": "Drill4J Browser Extension",
-  "version": "0.3.5",
+  "version": "0.3.7",
   "background": {
     "page": "background.html"
   },
diff --git a/src/popup-script/pages/main-page/main-page.tsx b/src/popup-script/pages/main-page/main-page.tsx
index 4b16929..033dfe7 100644
--- a/src/popup-script/pages/main-page/main-page.tsx
+++ b/src/popup-script/pages/main-page/main-page.tsx
@@ -50,7 +50,7 @@ export const MainPage = withConfigs(mainPage(({ className, configs: { drillAdmin
           <Content>
             <div>Drill4J web widget allows you to record your test sessions and see test coverage results in real time.</div>
             <ActionsPanel>
-              <Button type="primary" size="large" onClick={() => browser.storage.local.set({ active: !active })}>
+              <Button type="primary" size="large" onClick={() => browser.storage.local.set({ active: !active })} disabled={!active && status !== 'ONLINE'}>
                 {active ? 'Close widget' : 'Run widget'}
               </Button>
               <Button type="secondary" size="large" onClick={() => browser.runtime.openOptionsPage()}>