diff --git a/src/components/donations/AddDonationPaymentModal.svelte b/src/components/donations/AddDonationPaymentModal.svelte
index 89b4c248..2f97327e 100644
--- a/src/components/donations/AddDonationPaymentModal.svelte
+++ b/src/components/donations/AddDonationPaymentModal.svelte
@@ -33,7 +33,7 @@
       toast.loading($_("updating-donation"));
       const editable = Object.assign({}, original_data);
       editable.donor = editable.donor.id;
-      editable.paidAmount = paid_amount_input * 100;
+      editable.paidAmount = Math.round(paid_amount_input * 100);
       if (editable.responseType == "DISTANCEDONATION" || editable.runner) {
         editable.runner = editable.runner.id;
         DonationService.donationControllerPutDistance(