diff --git a/typescript/base/pane.ts b/typescript/base/pane.ts
index f2d448978..8f348af0a 100644
--- a/typescript/base/pane.ts
+++ b/typescript/base/pane.ts
@@ -8,6 +8,7 @@ export declare class Pane extends Widget {
     loading(): void;
     loaded(): void;
     check(): void;
+    setTipText(text: string): void;
     setTipVisible(b: boolean): void;
     populate(...args: any[]): void;
 }