diff --git a/types/emoji-mart/dist-es/utils/shared-props.d.ts b/types/emoji-mart/dist-es/utils/shared-props.d.ts
index c091e24556..dd25df9d09 100644
--- a/types/emoji-mart/dist-es/utils/shared-props.d.ts
+++ b/types/emoji-mart/dist-es/utils/shared-props.d.ts
@@ -75,7 +75,7 @@ export interface PickerProps {
     recent?: string[];
     autoFocus?: boolean;
     /** NOTE: custom emoji are copied into a singleton object on every new mount */
-    custom: CustomEmoji[];
+    custom?: CustomEmoji[];
     skinEmoji?: string;
     notFound?(): React.Component;
     notFoundEmoji?: string;