diff --git a/app/controllers/admin/settings_controller.rb b/app/controllers/admin/settings_controller.rb
index 615ee63ca..6a0c5c033 100644
--- a/app/controllers/admin/settings_controller.rb
+++ b/app/controllers/admin/settings_controller.rb
@@ -61,7 +61,7 @@ class Admin::SettingsController < AdminController
       :expire_pending_confirmation
     ]
 
-    floats = [:registry_vat_prc]
+    floats = [:registry_vat_prc, :minimum_deposit]
 
     booleans = [
       :ds_data_allowed,
diff --git a/app/models/deposit.rb b/app/models/deposit.rb
index fae4336cf..f9f887af1 100644
--- a/app/models/deposit.rb
+++ b/app/models/deposit.rb
@@ -7,6 +7,11 @@ class Deposit
   attr_accessor :amount, :description, :registrar, :registrar_id
 
   validates :amount, :registrar, presence: true
+  validate :validate_amount
+  def validate_amount
+    return if BigDecimal.new(amount) >= Setting.minimum_deposit
+    errors.add(:amount, I18n.t(:is_too_small_minimum_deposit_is, amount: Setting.minimum_deposit, currency: 'EUR'))
+  end
 
   def initialize(attributes = {})
     attributes.each do |name, value|
diff --git a/app/views/admin/settings/index.haml b/app/views/admin/settings/index.haml
index 2c46c1f2e..94b87fff4 100644
--- a/app/views/admin/settings/index.haml
+++ b/app/views/admin/settings/index.haml
@@ -69,6 +69,7 @@
           = render 'setting_row', var: :invoice_number_max
           = render 'setting_row', var: :days_to_keep_invoices_active
           = render 'setting_row', var: :days_to_keep_overdue_invoices_active
+          = render 'setting_row', var: :minimum_deposit
           = render 'setting_row', var: :registry_billing_email
           = render 'setting_row', var: :registry_invoice_contact
           = render 'setting_row', var: :registry_vat_no
diff --git a/config/initializers/initial_settings.rb b/config/initializers/initial_settings.rb
index c2d867c26..1325831da 100644
--- a/config/initializers/initial_settings.rb
+++ b/config/initializers/initial_settings.rb
@@ -31,6 +31,8 @@ if con.present? && con.table_exists?('settings')
   Setting.save_default(:invoice_number_max, 149999)
   Setting.save_default(:days_to_keep_invoices_active, 30)
   Setting.save_default(:days_to_keep_overdue_invoices_active, 30)
+  Setting.save_default(:minimum_deposit, 0.0)
+
   Setting.save_default(:days_to_renew_domain_before_expire, 90)
   Setting.save_default(:expire_warning_period, 15)
   Setting.save_default(:redemption_grace_period, 30)
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 5d2f0dfff..5dce96914 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -894,3 +894,4 @@ en:
   nameserver_hostname: 'Nameserver hostname'
   result_count: '%{count} results'
   failed_to_generate_invoice_invoice_number_limit_reached: 'Failed to generate invoice - invoice number limit reached'
+  is_too_small_minimum_deposit_is: 'is too small. Minimum deposit is %{amount} %{currency}'
diff --git a/spec/features/admin/invoice_spec.rb b/spec/features/admin/invoice_spec.rb
index 9c787eeb8..e036b5f1c 100644
--- a/spec/features/admin/invoice_spec.rb
+++ b/spec/features/admin/invoice_spec.rb
@@ -41,6 +41,27 @@ feature 'Invoice', type: :feature do
     page.should have_content(r.name)
   end
 
+  it 'should not issue and invoice with deposit amount too small' do
+    Setting.minimum_deposit = 0.0
+    r = Fabricate(:registrar)
+    visit admin_invoices_url
+    click_link('Add')
+    select r.name, from: 'Registrar'
+    fill_in 'Amount', with: '-2.11'
+    fill_in 'Description', with: 'test issue'
+    click_button 'Save'
+    page.should have_content('Amount is too small. Minimum deposit is 0.0 EUR')
+    Setting.minimum_deposit = 12.43
+    fill_in 'Amount', with: '12.42'
+    click_button 'Save'
+
+    page.should have_content('Amount is too small. Minimum deposit is 12.43 EUR')
+    fill_in 'Amount', with: '12.44'
+    click_button 'Save'
+    page.should have_content('Record created')
+    Setting.minimum_deposit = 0.0
+  end
+
   it 'should forward invoice' do
     visit '/admin/invoices'
     click_link @invoice.to_s