diff --git a/clients/tabby-chat-panel/src/vscode.tsx b/clients/tabby-chat-panel/src/vscode.tsx
index 7dba0f265a2b..2c26588419e0 100644
--- a/clients/tabby-chat-panel/src/vscode.tsx
+++ b/clients/tabby-chat-panel/src/vscode.tsx
@@ -40,8 +40,8 @@ function ChatPanel() {
     <iframe
       src={`${endpoint}/chat`}
       style={{
-        width: '100vw',
-        height: '100vh',
+        width: '100%',
+        height: '100%',
       }}
       ref={iframeRef}
     />