diff --git a/blocks/edit/prose/index.js b/blocks/edit/prose/index.js
index cece1bd0..3b274d16 100644
--- a/blocks/edit/prose/index.js
+++ b/blocks/edit/prose/index.js
@@ -121,6 +121,8 @@ function handleAwarenessUpdates(wsProvider, daTitle, win) {
   wsProvider.on('status', (st) => { daTitle.collabStatus = st.status; });
   win.addEventListener('online', () => { daTitle.collabStatus = 'online'; });
   win.addEventListener('offline', () => { daTitle.collabStatus = 'offline'; });
+  win.addEventListener('focus', () => { wsProvider.connect(); });
+  win.addEventListener('blur', () => { wsProvider.disconnect(); });
 }
 
 export function createAwarenessStatusWidget(wsProvider, win) {
diff --git a/test/unit/blocks/edit/proseCollab.test.js b/test/unit/blocks/edit/proseCollab.test.js
index ddd71c62..4b81a3aa 100644
--- a/test/unit/blocks/edit/proseCollab.test.js
+++ b/test/unit/blocks/edit/proseCollab.test.js
@@ -35,7 +35,7 @@ describe('Prose collab', () => {
     const daTitle = pi.createAwarenessStatusWidget(wsp, win);
     expect(daTitle).to.equal(dat);
 
-    expect(winEventListeners.length).to.equal(2);
+    expect(winEventListeners.length).to.equal(4);
     const el0 = winEventListeners[0];
     const el1 = winEventListeners[1];
     const elOnline = el0.n === 'online' ? el0 : el1;