diff --git a/ui/app/models/allocation.js b/ui/app/models/allocation.js
index 377904da8..f93f19175 100644
--- a/ui/app/models/allocation.js
+++ b/ui/app/models/allocation.js
@@ -48,6 +48,7 @@ export default Model.extend({
 
   preemptedAllocations: hasMany('allocation', { inverse: 'preemptedByAllocation' }),
   preemptedByAllocation: belongsTo('allocation', { inverse: 'preemptedAllocations' }),
+  wasPreempted: attr('boolean'),
 
   followUpEvaluation: belongsTo('evaluation'),
 
diff --git a/ui/app/serializers/allocation.js b/ui/app/serializers/allocation.js
index 50f2b004d..a629451d9 100644
--- a/ui/app/serializers/allocation.js
+++ b/ui/app/serializers/allocation.js
@@ -47,6 +47,7 @@ export default ApplicationSerializer.extend({
 
     hash.PreemptedAllocationIDs = hash.PreemptedAllocations || [];
     hash.PreemptedByAllocationID = hash.PreemptedByAllocation || null;
+    hash.WasPreempted = !!hash.PreemptedByAllocationID;
 
     return this._super(typeHash, hash);
   },