diff --git a/app/contracts/work_package_types/update_subject_pattern_contract.rb b/app/contracts/work_package_types/update_subject_pattern_contract.rb
index 00d7a6a6fb5..4d913591fba 100644
--- a/app/contracts/work_package_types/update_subject_pattern_contract.rb
+++ b/app/contracts/work_package_types/update_subject_pattern_contract.rb
@@ -32,10 +32,18 @@ module WorkPackageTypes
   class UpdateSubjectPatternContract < BaseContract
     attribute :patterns
 
+    validate :enterprise_edition
     validate :validate_subject_generation_pattern
 
     private
 
+    def enterprise_edition
+      action = :work_package_subject_generation
+      if model.patterns.subject&.enabled && !EnterpriseToken.allows_to?(action)
+        errors.add(:patterns, :error_enterprise_only, action: action.to_s.titleize)
+      end
+    end
+
     def validate_subject_generation_pattern
       blueprint = model.patterns.subject&.blueprint
       return if blueprint.nil?
diff --git a/spec/components/work_package_types/subject_configuration_component_spec.rb b/spec/components/work_package_types/subject_configuration_component_spec.rb
index 56578de9c21..5e57b510b26 100644
--- a/spec/components/work_package_types/subject_configuration_component_spec.rb
+++ b/spec/components/work_package_types/subject_configuration_component_spec.rb
@@ -104,32 +104,25 @@ RSpec.describe WorkPackageTypes::SubjectConfigurationComponent, type: :component
   end
 
   context "when enterprise edition is not activated", with_ee: %i[] do
-    it "shows the enterprise banner" do
+    it "shows the large enterprise banner" do
       render_component
 
-      expect(page).to have_enterprise_banner(:professional)
-    end
-
-    it "disables only automatic mode selector", :aggregate_failures do
-      render_component
-
-      expect(page.find("input[type=radio][value=generated]")).to be_disabled
-      expect(page.find("input[type=radio][value=manual]")).not_to be_disabled
+      expect(page).to have_enterprise_banner(:professional, class: "op-enterprise-banner_large")
     end
 
     context "and when the subject is already automatically generated" do
       let(:type) { create(:type, patterns: { subject: { blueprint: "Hello world", enabled: true } }) }
 
-      it "shows the enterprise banner" do
+      it "shows the inline enterprise banner" do
         render_component
 
-        expect(page).to have_enterprise_banner(:professional)
+        expect(page).to have_enterprise_banner(:professional, class: "op-enterprise-banner_medium")
       end
 
       it "enables mode selectors", :aggregate_failures do
         render_component
 
-        expect(page.find("input[type=radio][value=generated]")).not_to be_disabled
+        expect(page.find("input[type=radio][value=generated]")).to be_disabled
         expect(page.find("input[type=radio][value=manual]")).not_to be_disabled
       end
     end
diff --git a/spec/contracts/work_package_types/update_subject_pattern_contract_spec.rb b/spec/contracts/work_package_types/update_subject_pattern_contract_spec.rb
index 9da14e37127..37b5bc9ef6f 100644
--- a/spec/contracts/work_package_types/update_subject_pattern_contract_spec.rb
+++ b/spec/contracts/work_package_types/update_subject_pattern_contract_spec.rb
@@ -31,7 +31,7 @@
 require "spec_helper"
 
 module WorkPackageTypes
-  RSpec.describe UpdateSubjectPatternContract do
+  RSpec.describe UpdateSubjectPatternContract, with_ee: [:work_package_subject_generation] do
     let(:model) { create(:type, :with_subject_pattern) }
     let(:user) { create(:admin) }
 
@@ -44,12 +44,28 @@ module WorkPackageTypes
         expect(contract.validate).to be_falsey
       end
 
-      it "adds and error to the contract" do
+      it "adds an error to the contract" do
         contract.validate
         expect(contract.errors.details).to eq(base: [{ error: :error_unauthorized }])
       end
     end
 
+    context "if there is no enterprise token that allows subject configuration", with_ee: [] do
+      it "adds an error to the contract" do
+        contract.validate
+        expect(contract.errors.details)
+          .to eq(patterns: [{ action: "Work Package Subject Generation", error: :error_enterprise_only }])
+      end
+
+      context "with manual subject configuration" do
+        let(:model) { create(:type) }
+
+        it "succeeds" do
+          expect(contract.validate).to be_truthy
+        end
+      end
+    end
+
     describe "subject_pattern validation" do
       let(:valid_pattern) { { subject: { blueprint: "{{author}}", enabled: true } } }
       let(:invalid_pattern) { { subject: { blueprint: "{{vader_s_rubber_duck}}", enabled: true } } }
diff --git a/spec/services/work_package_types/set_attributes_service_spec.rb b/spec/services/work_package_types/set_attributes_service_spec.rb
index aa764e2934d..28cc56da6ff 100644
--- a/spec/services/work_package_types/set_attributes_service_spec.rb
+++ b/spec/services/work_package_types/set_attributes_service_spec.rb
@@ -31,7 +31,7 @@
 require "spec_helper"
 
 module WorkPackageTypes
-  RSpec.describe SetAttributesService do
+  RSpec.describe SetAttributesService, with_ee: [:work_package_subject_generation] do
     let(:user) { create(:admin) }
     let(:model) { create(:type, :with_subject_pattern) }
     let(:params) { Hash.new }