diff --git a/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/TabView/BrowserPane/hooks/usePersistentWebview/usePersistentWebview.ts b/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/TabView/BrowserPane/hooks/usePersistentWebview/usePersistentWebview.ts
index e6e0de0b53b..81091f781b9 100644
--- a/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/TabView/BrowserPane/hooks/usePersistentWebview/usePersistentWebview.ts
+++ b/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/TabView/BrowserPane/hooks/usePersistentWebview/usePersistentWebview.ts
@@ -280,12 +280,21 @@ export function usePersistentWebview({
 
 		const handleDomReady = () => {
 			markPersistentWebviewDomReady(paneId);
-			const webContentsId = wv.getWebContentsId();
-			const previousId = getRegisteredWebContentsId(paneId);
-			// Register on first load, or re-register if webContentsId changed
-			if (previousId !== webContentsId) {
-				setRegisteredWebContentsId(paneId, webContentsId);
-				registerBrowserRef.current({ paneId, webContentsId });
+
+			if (wv.isConnected) {
+				try {
+					const webContentsId = wv.getWebContentsId();
+					const previousId = getRegisteredWebContentsId(paneId);
+					// Register on first load, or re-register if webContentsId changed
+					if (previousId !== webContentsId) {
+						setRegisteredWebContentsId(paneId, webContentsId);
+						registerBrowserRef.current({ paneId, webContentsId });
+					}
+				} catch {
+					// WebView was detached between the isConnected check and
+					// getWebContentsId call — skip registration but still
+					// attempt to drain the pending navigation below.
+				}
 			}
 
 			const pendingUrl = getPendingPersistentWebviewNavigation(paneId);