diff --git a/client/src/components/helpers/border-color-picker.ts b/client/src/components/helpers/border-color-picker.ts
index 2f15717b78..a225a36136 100644
--- a/client/src/components/helpers/border-color-picker.ts
+++ b/client/src/components/helpers/border-color-picker.ts
@@ -1,6 +1,6 @@
 export default function borderColorPicker(
-  isDonating: boolean | undefined,
-  isTopContributor: boolean | undefined
+  isDonating?: boolean,
+  isTopContributor?: boolean
 ): string {
   if (isDonating && isTopContributor) return 'purple-border';
   else if (isTopContributor) return 'blue-border';