diff --git a/static/js/types/common.types.ts b/static/js/types/common.types.ts
index 7a9b0aed0..c1cff8c90 100644
--- a/static/js/types/common.types.ts
+++ b/static/js/types/common.types.ts
@@ -109,10 +109,10 @@ export type Trigger = {
  * Represents a set of apostille delegations.
  */
 export type ApostilleDelegationsSet = {
-  delegations: [delegationName: string]: ApostilleSignatureDocument
+  delegations: {[delegationName: string]: ApostilleSignatureDocument};
 
   // The error that occurred, if any.
-  error: string | null
+  error: string | null;
 };
 
 /**