diff --git a/src/components/menu/Menu.d.ts b/src/components/menu/Menu.d.ts
index 79b2ffdac5..a4666a8ec7 100644
--- a/src/components/menu/Menu.d.ts
+++ b/src/components/menu/Menu.d.ts
@@ -10,7 +10,7 @@ export interface MenuProps {
     style?: object;
     className?: string;
     autoZIndex?: boolean;
-    bazeZIndex?: number;
+    baseZIndex?: number;
     appendTo?: MenuAppendToType;
     transitionOptions?: object;
     onShow?(e: React.SyntheticEvent): void;
diff --git a/src/components/tieredmenu/TieredMenu.d.ts b/src/components/tieredmenu/TieredMenu.d.ts
index 6d7db29c9b..6c78b8f8bd 100644
--- a/src/components/tieredmenu/TieredMenu.d.ts
+++ b/src/components/tieredmenu/TieredMenu.d.ts
@@ -10,7 +10,7 @@ export interface TieredMenuProps {
     style?: object;
     className?: string;
     autoZIndex?: boolean;
-    bazeZIndex?: number;
+    baseZIndex?: number;
     appendTo?: TieredMenuAppendToType;
     transitionOptions?: object;
     onShow?(e: React.SyntheticEvent): void;