diff --git a/src/controllers/DonorController.ts b/src/controllers/DonorController.ts
index 308825a..399421f 100644
--- a/src/controllers/DonorController.ts
+++ b/src/controllers/DonorController.ts
@@ -2,9 +2,8 @@ import { Authorized, Body, Delete, Get, JsonController, OnUndefined, Param, Post
 import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
 import { getConnectionManager, Repository } from 'typeorm';
 import { DonorIdsNotMatchingError, DonorNotFoundError } from '../errors/DonorErrors';
-import { RunnerIdsNotMatchingError } from '../errors/RunnerErrors';
 import { CreateDonor } from '../models/actions/CreateDonor';
-import { UpdateRunner } from '../models/actions/UpdateRunner';
+import { UpdateDonor } from '../models/actions/UpdateDonor';
 import { Donor } from '../models/entities/Donor';
 import { ResponseDonor } from '../models/responses/ResponseDonor';
 import { ResponseEmpty } from '../models/responses/ResponseEmpty';
@@ -68,19 +67,19 @@ export class DonorController {
 	@ResponseSchema(DonorNotFoundError, { statusCode: 404 })
 	@ResponseSchema(DonorIdsNotMatchingError, { statusCode: 406 })
 	@OpenAPI({ description: "Update the runner whose id you provided. <br> Please remember that ids can't be changed." })
-	async put(@Param('id') id: number, @Body({ validate: true }) runner: UpdateRunner) {
-		let oldRunner = await this.donorRepository.findOne({ id: id }, { relations: ['group'] });
+	async put(@Param('id') id: number, @Body({ validate: true }) donor: UpdateDonor) {
+		let oldDonor = await this.donorRepository.findOne({ id: id });
 
-		if (!oldRunner) {
+		if (!oldDonor) {
 			throw new DonorNotFoundError();
 		}
 
-		if (oldRunner.id != runner.id) {
-			throw new RunnerIdsNotMatchingError();
+		if (oldDonor.id != donor.id) {
+			throw new DonorIdsNotMatchingError();
 		}
 
-		await this.donorRepository.save(await runner.updateRunner(oldRunner));
-		return new ResponseDonor(await this.donorRepository.findOne({ id: id }, { relations: ['scans', 'group'] }));
+		await this.donorRepository.save(await donor.updateDonor(oldDonor));
+		return new ResponseDonor(await this.donorRepository.findOne({ id: id }));
 	}
 
 	@Delete('/:id')
diff --git a/src/models/actions/CreateDonor.ts b/src/models/actions/CreateDonor.ts
index 8520f5a..ec7c983 100644
--- a/src/models/actions/CreateDonor.ts
+++ b/src/models/actions/CreateDonor.ts
@@ -12,7 +12,7 @@ export class CreateDonor extends CreateParticipant {
      */
     @IsBoolean()
     @IsOptional()
-    receiptNeeded: boolean = false;
+    receiptNeeded?: boolean = false;
 
     /**
      * Creates a new Donor entity from this.
diff --git a/src/models/actions/UpdateDonor.ts b/src/models/actions/UpdateDonor.ts
new file mode 100644
index 0000000..9ace6f9
--- /dev/null
+++ b/src/models/actions/UpdateDonor.ts
@@ -0,0 +1,39 @@
+import { IsBoolean, IsInt, IsOptional } from 'class-validator';
+import { Donor } from '../entities/Donor';
+import { CreateParticipant } from './CreateParticipant';
+
+/**
+ * This class is used to update a Donor entity (via put request).
+ */
+export class UpdateDonor extends CreateParticipant {
+
+    /**
+     * The updated donor's id.
+     * This shouldn't have changed but it is here in case anyone ever wants to enable id changes (whyever they would want to).
+     */
+    @IsInt()
+    id: number;
+
+    /**
+     * Does the updated donor need a receipt?
+     */
+    @IsBoolean()
+    @IsOptional()
+    receiptNeeded?: boolean;
+
+
+    /**
+     * Updates a provided Donor entity based on this.
+     */
+    public async updateDonor(donor: Donor): Promise<Donor> {
+        donor.firstname = this.firstname;
+        donor.middlename = this.middlename;
+        donor.lastname = this.lastname;
+        donor.phone = this.phone;
+        donor.email = this.email;
+        donor.receiptNeeded = this.receiptNeeded;
+        donor.address = await this.getAddress();
+
+        return donor;
+    }
+}
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