diff --git a/cvat-canvas/README.md b/cvat-canvas/README.md
index c3e7b640..59806746 100644
--- a/cvat-canvas/README.md
+++ b/cvat-canvas/README.md
@@ -108,7 +108,7 @@ Canvas itself handles:
         dragCanvas(enable: boolean): void;
         zoomCanvas(enable: boolean): void;
 
-        mode(): void;
+        mode(): Mode;
         cancel(): void;
         configure(configuration: Configuration): void;
     }
diff --git a/cvat-canvas/src/typescript/canvas.ts b/cvat-canvas/src/typescript/canvas.ts
index 1df3efe2..04a99d5b 100644
--- a/cvat-canvas/src/typescript/canvas.ts
+++ b/cvat-canvas/src/typescript/canvas.ts
@@ -54,7 +54,7 @@ interface Canvas {
     dragCanvas(enable: boolean): void;
     zoomCanvas(enable: boolean): void;
 
-    mode(): void;
+    mode(): Mode;
     cancel(): void;
     configure(configuration: Configuration): void;
 }