diff --git a/app/models/log.ts b/app/models/log.ts
index 2849ec2b88..b7c148353e 100644
--- a/app/models/log.ts
+++ b/app/models/log.ts
@@ -12,7 +12,7 @@ export default class LogModel extends OsfModel {
     @belongsTo('node', { inverse: null })
     node!: AsyncBelongsTo<NodeModel> & NodeModel;
 
-    @belongsTo('node', { inverse: 'logs' })
+    @belongsTo('node', { polymorphic: true, inverse: 'logs' })
     originalNode!: AsyncBelongsTo<NodeModel> & NodeModel;
 
     @belongsTo('user')
diff --git a/app/models/wiki.ts b/app/models/wiki.ts
index 623b70b790..111b84fee4 100644
--- a/app/models/wiki.ts
+++ b/app/models/wiki.ts
@@ -15,7 +15,7 @@ export default class WikiModel extends OsfModel {
     @attr('string') materializedPath!: string;
     @attr('number') size!: number;
 
-    @belongsTo('node', { inverse: 'wikis' })
+    @belongsTo('node', { polymorphic: true, inverse: 'wikis' })
     node!: AsyncBelongsTo<NodeModel> & NodeModel;
 }