diff --git a/lib/DonorsList/DonorsList.js b/lib/DonorsList/DonorsList.js
index a9855ada..2b005753 100644
--- a/lib/DonorsList/DonorsList.js
+++ b/lib/DonorsList/DonorsList.js
@@ -103,7 +103,11 @@ AddDonorButton.propTypes = {
 };
 
 const alignRowProps = { alignLastColToEnd: true };
-
+const columnWidths = {
+  name: '45%',
+  code: '45%',
+  unassignDonor: '10%',
+};
 const DonorsList = ({ fetchDonors, fields, donorsMap, id }) => {
   const intl = useIntl();
   const stripes = useStripes();
@@ -143,6 +147,7 @@ const DonorsList = ({ fetchDonors, fields, donorsMap, id }) => {
         rowFormatter={anchoredRowFormatter}
         rowProps={alignRowProps}
         visibleColumns={visibleColumns}
+        columnWidths={columnWidths}
       />
       <br />
       <AddDonorButton