diff --git a/apps/dotcom/src/components/ShareMenu.tsx b/apps/dotcom/src/components/ShareMenu.tsx
index 04ac267dbeb..23ed13b9bea 100644
--- a/apps/dotcom/src/components/ShareMenu.tsx
+++ b/apps/dotcom/src/components/ShareMenu.tsx
@@ -32,7 +32,7 @@ type ShareState = {
 	state: ShareCurrentState
 	qrCodeDataUrl: string
 	url: string
-	readonlyUrl: string | null
+	readonlyUrl?: string
 	readonlyQrCodeDataUrl: string
 }
 
@@ -47,10 +47,23 @@ function isSharedReadWriteUrl(pathname: string) {
 	return pathname.startsWith(`/${ROOM_PREFIX}/`)
 }
 
-function getFreshShareState(): ShareState {
+function getFreshShareState(previousReadonlyUrl?: string): ShareState {
 	const isSharedReadWrite = isSharedReadWriteUrl(window.location.pathname)
 	const isSharedReadOnly = isSharedReadonlyUrl(window.location.pathname)
 
+	let readonlyUrl
+	if (isSharedReadOnly) {
+		readonlyUrl = window.location.href
+	} else if (previousReadonlyUrl) {
+		// Pull out the room prefix and the readonly slug from the existing readonly url
+		const segments = window.location.pathname.split('/')
+		const roSegments = new URL(previousReadonlyUrl).pathname.split('/')
+		segments[1] = roSegments[1]
+		segments[2] = roSegments[2]
+		const newPathname = segments.join('/')
+		readonlyUrl = `${window.location.origin}${newPathname}${window.location.search}`
+	}
+
 	return {
 		state: isSharedReadWrite
 			? SHARE_CURRENT_STATE.SHARED_READ_WRITE
@@ -58,7 +71,7 @@ function getFreshShareState(): ShareState {
 				? SHARE_CURRENT_STATE.SHARED_READ_ONLY
 				: SHARE_CURRENT_STATE.OFFLINE,
 		url: window.location.href,
-		readonlyUrl: isSharedReadOnly ? window.location.href : null,
+		readonlyUrl,
 		qrCodeDataUrl: '',
 		readonlyQrCodeDataUrl: '',
 	}
@@ -146,7 +159,7 @@ export const ShareMenu = React.memo(function ShareMenu() {
 		const interval = setInterval(() => {
 			const url = window.location.href
 			if (shareState.url === url) return
-			setShareState(getFreshShareState())
+			setShareState(getFreshShareState(shareState.readonlyUrl))
 		}, 300)
 
 		return () => {