diff --git a/src/types/qfTypes.ts b/src/types/qfTypes.ts
index 1a9cc1cba..cede70c62 100644
--- a/src/types/qfTypes.ts
+++ b/src/types/qfTypes.ts
@@ -2,12 +2,12 @@ import { Field, Float, ObjectType } from 'type-graphql';
 
 @ObjectType()
 export class EstimatedMatching {
-  @Field(type => Float)
-  projectDonationsSqrtRootSum: number;
+  @Field(type => Float, { nullable: true })
+  projectDonationsSqrtRootSum?: number;
 
-  @Field(type => Float)
-  allProjectsSum: number;
+  @Field(type => Float, { nullable: true })
+  allProjectsSum?: number;
 
-  @Field(type => Float)
-  matchingPool: number;
+  @Field(type => Float, { nullable: true })
+  matchingPool?: number;
 }