diff --git a/app/controllers/donations_controller.rb b/app/controllers/donations_controller.rb
index f9dc0a39..88f3963c 100644
--- a/app/controllers/donations_controller.rb
+++ b/app/controllers/donations_controller.rb
@@ -2,7 +2,7 @@ class DonationsController < ApplicationController
   require_permission :can_sync_donations?, only: %i[sync]
   require_permission :can_view_donations?
   require_permission :can_create_donations?, except: %i[index show]
-  require_permission :can_close_donations?, only: %i[close closed]
+  require_permission :can_close_donations?, only: %i[close closed fix_county]
   require_permission :can_delete_and_restore_donations?, only: %i[deleted destroy restore]
   require_permission :can_delete_closed_donations?, only: %i[destroy_closed]
   before_action :authenticate_user!
@@ -106,6 +106,19 @@ def restore
     end
   end
 
+  def fix_county
+    donation = Donation.find(params[:id])
+
+    if donation.county_id.present?
+      redirect_to closed_donations_path, flash: { error: "Donation already has a county!" }
+    elsif donation.donor.county_id.blank?
+      redirect_to closed_donations_path, flash: { error: "Donor doesn't have a county!" }
+    else
+      donation.fix_county!
+      redirect_to closed_donations_path, flash: { success: "Donation county fixed." }
+    end
+  end
+
   def sync
     donation = current_user.sync_donation(params)
     redirect_to donation_path(donation)
diff --git a/app/helpers/donations_helper.rb b/app/helpers/donations_helper.rb
index 0aa9f230..7e8cfe4a 100644
--- a/app/helpers/donations_helper.rb
+++ b/app/helpers/donations_helper.rb
@@ -1,4 +1,17 @@
 module DonationsHelper
+  def fix_donation_county_button(donation)
+    css_class = "btn btn-danger"
+    css_class += " disabled" if donation.donor.county_id.blank?
+
+    button = button_to "Fix", fix_county_donation_path(donation), class: css_class, method: :post, disabled: donation.donor.county_id.blank?
+
+    if donation.donor.county_id.blank?
+      disabled_title_wrapper("Please update the donor with a county.") { button }
+    else
+      button
+    end
+  end
+
   def sync_donation_button(donation)
     css_class = "btn btn-primary"
 
diff --git a/app/models/donation.rb b/app/models/donation.rb
index 92802537..34e9d399 100644
--- a/app/models/donation.rb
+++ b/app/models/donation.rb
@@ -177,6 +177,15 @@ def add_to_donation!(params, required: false)
     end
   end
 
+  def fix_county!
+    raise "County is already present!" if county_id.present?
+
+    @allow_change_after_closed = true
+    update!(county_id: donor.county_id)
+  ensure
+    @allow_change_after_closed = false
+  end
+
   private
 
   def skip_adding_donations?(params, required)
diff --git a/app/views/donations/_table.html.erb b/app/views/donations/_table.html.erb
index fe76b18c..3f834f73 100644
--- a/app/views/donations/_table.html.erb
+++ b/app/views/donations/_table.html.erb
@@ -26,7 +26,15 @@
     <% @donations.each do |donation| %>
       <tr <%= "data-href=\"#{sanitize donation_path(donation)}\"".html_safe unless local_assigns[:for_deleted] %>>
         <td><%= donation.id %></td>
-        <td><%= donation.county&.name %></td>
+
+        <td>
+          <%= donation.county&.name %>
+
+          <% if donation.county.blank? && local_assigns[:for_closed] %>
+            <%= fix_donation_county_button(donation) %>
+          <% end %>
+        </td>
+
         <td><%= truncate donation.donor.name, length: 50 %></td>
         <td><%= donation.item_count %></td>
         <td><%= number_to_currency(donation.value, unit: "$", precision: 2) %></td>
diff --git a/config/routes.rb b/config/routes.rb
index d76ea08b..641b139b 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -25,6 +25,7 @@
 
     member do
       post :close
+      post :fix_county
       patch :restore
       post :sync
       delete :destroy_closed
diff --git a/spec/controllers/dontions_controller_spec.rb b/spec/controllers/dontions_controller_spec.rb
deleted file mode 100644
index debb2690..00000000
--- a/spec/controllers/dontions_controller_spec.rb
+++ /dev/null
@@ -1,4 +0,0 @@
-require "rails_helper"
-
-describe DonationsController, type: :controller do
-end
diff --git a/spec/requests/donations_request_spec.rb b/spec/requests/donations_request_spec.rb
new file mode 100644
index 00000000..a4fe8e19
--- /dev/null
+++ b/spec/requests/donations_request_spec.rb
@@ -0,0 +1,63 @@
+require "rails_helper"
+
+RSpec.describe DonationsController, type: :request do
+  let!(:user) { users(:root) }
+
+  before do
+    sign_in user
+  end
+
+  describe "#fix_county" do
+    context "when the donation already has a county (even though different from donor)" do
+      let(:donation) { donations(:donation_with_donor_with_different_county) }
+
+      before do
+        donation.update_column(:closed_at, Time.zone.now)
+      end
+
+      it "throws an error" do
+        expect(donation.county).not_to eq(donation.donor.county)
+        post "/donations/#{donation.id}/fix_county"
+        expect(flash[:error]).to be_present
+
+        donation.reload
+        expect(donation.county).not_to eq(donation.donor.county)
+      end
+    end
+
+    context "when the donation doesn't have a county but the donor does" do
+      let(:donation) { donations(:donation_with_donor_with_county) }
+
+      before do
+        donation.update_column(:closed_at, Time.zone.now)
+      end
+
+      it "updates the county" do
+        expect(donation.county).to be_blank
+        post "/donations/#{donation.id}/fix_county"
+        expect(flash[:error]).to be_blank
+
+        donation.reload
+        expect(donation.county).to eq(donation.donor.county)
+      end
+    end
+
+    context "when the donation doesn't have a county but neither does the donor" do
+      let(:donation) { donations(:trois_donation) }
+
+      before do
+        donation.update_column(:closed_at, Time.zone.now)
+      end
+
+      it "throws an error" do
+        expect(donation.county).to be_blank
+        expect(donation.donor.county).to be_blank
+        post "/donations/#{donation.id}/fix_county"
+        expect(flash[:error]).to be_present
+
+        donation.reload
+        expect(donation.county).to be_blank
+      end
+    end
+  end
+end