diff --git a/enterprise/app/services/enterprise/billing/topup_checkout_service.rb b/enterprise/app/services/enterprise/billing/topup_checkout_service.rb
index e11269110..d0ec3e372 100644
--- a/enterprise/app/services/enterprise/billing/topup_checkout_service.rb
+++ b/enterprise/app/services/enterprise/billing/topup_checkout_service.rb
@@ -73,8 +73,13 @@ class Enterprise::Billing::TopupCheckoutService
       description: description
     )
 
-    Stripe::Invoice.finalize_invoice(invoice.id, { auto_advance: false })
-    Stripe::Invoice.pay(invoice.id)
+    finalize_and_pay(invoice.id)
+  end
+
+  def finalize_and_pay(invoice_id)
+    Stripe::Invoice.finalize_invoice(invoice_id, { auto_advance: false })
+    invoice = Stripe::Invoice.retrieve(invoice_id)
+    Stripe::Invoice.pay(invoice_id) unless invoice.status == 'paid'
   end
 
   def fulfill_credits(credits, topup_option)
diff --git a/spec/enterprise/controllers/enterprise/api/v1/accounts_controller_spec.rb b/spec/enterprise/controllers/enterprise/api/v1/accounts_controller_spec.rb
index 9089b089a..b2a920b07 100644
--- a/spec/enterprise/controllers/enterprise/api/v1/accounts_controller_spec.rb
+++ b/spec/enterprise/controllers/enterprise/api/v1/accounts_controller_spec.rb
@@ -281,6 +281,7 @@ RSpec.describe 'Enterprise Billing APIs', type: :request do
         allow(Stripe::Invoice).to receive(:create).and_return(stripe_invoice)
         allow(Stripe::InvoiceItem).to receive(:create)
         allow(Stripe::Invoice).to receive(:finalize_invoice)
+        allow(Stripe::Invoice).to receive(:retrieve).and_return(Struct.new(:status).new('open'))
         allow(Stripe::Invoice).to receive(:pay)
         allow(Stripe::Billing::CreditGrant).to receive(:create)
       end
diff --git a/spec/enterprise/services/enterprise/billing/topup_checkout_service_spec.rb b/spec/enterprise/services/enterprise/billing/topup_checkout_service_spec.rb
index 24c7889de..fa4c052a1 100644
--- a/spec/enterprise/services/enterprise/billing/topup_checkout_service_spec.rb
+++ b/spec/enterprise/services/enterprise/billing/topup_checkout_service_spec.rb
@@ -24,6 +24,7 @@ describe Enterprise::Billing::TopupCheckoutService do
     allow(Stripe::Invoice).to receive(:create).and_return(stripe_invoice)
     allow(Stripe::InvoiceItem).to receive(:create)
     allow(Stripe::Invoice).to receive(:finalize_invoice)
+    allow(Stripe::Invoice).to receive(:retrieve).and_return(Struct.new(:status).new('open'))
     allow(Stripe::Invoice).to receive(:pay)
     allow(Stripe::Billing::CreditGrant).to receive(:create)
   end
@@ -58,5 +59,19 @@ describe Enterprise::Billing::TopupCheckoutService do
         expect(error.message).to eq(I18n.t('errors.topup.plan_not_eligible'))
       end
     end
+
+    it 'calls pay when invoice is open after finalization' do
+      service.create_checkout_session(credits: 1000)
+
+      expect(Stripe::Invoice).to have_received(:pay).with('inv_test123')
+    end
+
+    it 'skips pay when invoice is already paid via Stripe credits' do
+      allow(Stripe::Invoice).to receive(:retrieve).and_return(Struct.new(:status).new('paid'))
+
+      service.create_checkout_session(credits: 1000)
+
+      expect(Stripe::Invoice).not_to have_received(:pay)
+    end
   end
 end