diff --git a/src/models/actions/update/UpdateDonation.ts b/src/models/actions/update/UpdateDonation.ts
index 569454a..b64d656 100644
--- a/src/models/actions/update/UpdateDonation.ts
+++ b/src/models/actions/update/UpdateDonation.ts
@@ -23,6 +23,12 @@ export abstract class UpdateDonation {
     @IsPositive()
     donor: number;
 
+    /**
+     * The donation's payed amount in the smalles unit of your currency (default: euro cent).
+     */
+    @IsInt()
+    payedAmount: number;
+
     /**
      * Creates a new Donation entity from this.
      */
diff --git a/src/models/actions/update/UpdateFixedDonation.ts b/src/models/actions/update/UpdateFixedDonation.ts
index 5e31068..19919dd 100644
--- a/src/models/actions/update/UpdateFixedDonation.ts
+++ b/src/models/actions/update/UpdateFixedDonation.ts
@@ -20,6 +20,7 @@ export class UpdateFixedDonation extends UpdateDonation {
      */
     public async update(donation: FixedDonation): Promise<FixedDonation> {
         donation.amount = this.amount;
+        donation.payedAmount = this.payedAmount;
         donation.donor = await this.getDonor();
 
         return donation;