diff --git a/src/core/base/Event.ts b/src/core/base/Event.ts
index 515cf7b5..31cc3a35 100644
--- a/src/core/base/Event.ts
+++ b/src/core/base/Event.ts
@@ -15,7 +15,7 @@
 import {SCThing} from '../Thing';
 import {SCCatalogWithoutReferences} from '../things/Catalog';
 import {SCPersonWithoutReferences} from '../things/Person';
-import {SCAcademicTermWithoutReferences} from './AcademicTerm';
+import {SCSemesterWithoutReferences} from '../things/Semester';
 import {SCCreativeWorkWithoutReferences} from './CreativeWork';
 
 /**
@@ -44,7 +44,7 @@ export interface SCEvent extends SCEventWithoutReferences {
   /**
    * Academic terms that an event belongs to, e.g. semester(s).
    */
-  academicTerms?: SCAcademicTermWithoutReferences[];
+  academicTerms?: SCSemesterWithoutReferences[];
 
   /**
    * Catalogs to which an event belongs