diff --git a/src/themes/teams/components/Icon/iconVariables.ts b/src/themes/teams/components/Icon/iconVariables.ts
index 7fcf7aca45..34fc180f19 100644
--- a/src/themes/teams/components/Icon/iconVariables.ts
+++ b/src/themes/teams/components/Icon/iconVariables.ts
@@ -5,6 +5,8 @@ import { pxToRem } from '../../utils'
 export type IconSizeModifier = 'x' | 'xx'
 
 export interface IconVariables {
+  [key: string]: object | string | number | boolean | undefined
+
   colors: ColorValues<string>
   color?: string
   backgroundColor?: string