diff --git a/spec/controllers/groups_controller_spec.rb b/spec/controllers/groups_controller_spec.rb
index b9f0f649a02..dc7fabe5c3c 100644
--- a/spec/controllers/groups_controller_spec.rb
+++ b/spec/controllers/groups_controller_spec.rb
@@ -186,8 +186,8 @@ RSpec.describe GroupsController do
 
     it "shows" do
       get :show, params: { id: group.id }
-      expect(response).to be_successful
-      expect(response).to render_template "show"
+      expect(response).not_to be_successful
+      expect(response).to have_http_status :not_found
     end
 
     context "when having view_members permission in a project the group belongs to" do
@@ -199,6 +199,11 @@ RSpec.describe GroupsController do
         create(:member, project:, principal: group, roles: [create(:project_role)])
       end
 
+      it "shows" do
+        get :show, params: { id: group.id }
+        expect(response).to be_successful
+      end
+
       it "shows members" do
         get :show, params: { id: group.id }
         expect(assigns(:group_users)).to match_array(group_members)
@@ -217,7 +222,9 @@ RSpec.describe GroupsController do
 
       it "does not show members" do
         get :show, params: { id: group.id }
-        expect(assigns(:group_users)).to be_empty
+
+        expect(response).to have_http_status :not_found
+        expect(assigns(:group_users)).to be_blank
       end
     end
 
diff --git a/spec/controllers/placeholder_users_controller_spec.rb b/spec/controllers/placeholder_users_controller_spec.rb
index 272b62817b8..5029e91daec 100644
--- a/spec/controllers/placeholder_users_controller_spec.rb
+++ b/spec/controllers/placeholder_users_controller_spec.rb
@@ -274,7 +274,11 @@ RSpec.describe PlaceholderUsersController do
     end
 
     describe "GET show" do
-      it_behaves_like "renders the show template"
+      before do
+        get :show, params: { id: placeholder_user.id }
+      end
+
+      it { expect(response).to have_http_status :not_found }
     end
 
     describe "GET edit" do
diff --git a/spec/controllers/wiki_menu_authentication_spec.rb b/spec/controllers/wiki_menu_authentication_spec.rb
index a318fc0576b..33e827bbb1d 100644
--- a/spec/controllers/wiki_menu_authentication_spec.rb
+++ b/spec/controllers/wiki_menu_authentication_spec.rb
@@ -64,7 +64,7 @@ RSpec.describe WikiMenuItemsController do
 
       get "edit", params: @params
 
-      expect(response).to have_http_status(:forbidden)
+      expect(response).to have_http_status(:not_found)
     end
   end
 end