diff --git a/types/draft-js/index.d.ts b/types/draft-js/index.d.ts
index 769ee9a77f..40f1300933 100644
--- a/types/draft-js/index.d.ts
+++ b/types/draft-js/index.d.ts
@@ -156,7 +156,7 @@ declare namespace Draft {
                 ariaDescribedBy?: string;
                 ariaExpanded?: boolean;
                 ariaLabel?: string;
-                ariaLabelledBy?: boolean;
+                ariaLabelledBy?: string;
                 ariaMultiline?: boolean;
                 ariaOwneeID?: string;