diff --git a/app/controllers/ops_controller.rb b/app/controllers/ops_controller.rb
index eacaf18c42c..a0519050cd9 100644
--- a/app/controllers/ops_controller.rb
+++ b/app/controllers/ops_controller.rb
@@ -99,6 +99,18 @@ def button
     custom_buttons if params[:pressed] == 'custom_button'
   end
 
+  def tree_selected_model
+    @tree_selected_model = if x_node == 'root'
+                             MiqRegion
+                           else
+                             model, id, _ = TreeBuilder.extract_node_model_and_id(x_node)
+                             if model == 'Hash'
+                               model = TreeBuilder.get_model_for_prefix(id)
+                             end
+                             model.constantize
+                           end
+  end
+
   def explorer
     @explorer = true
     @trees = []
@@ -116,6 +128,8 @@ def explorer
     @breadcrumbs = []
     build_accordions_and_trees
 
+    tree_selected_model
+
     @sb[:rails_log] = $rails_log.filename.to_s.include?("production.log") ? N_("Production") : N_("Development")
 
     if !params[:no_refresh]
@@ -151,6 +165,7 @@ def tree_select
     session[:flash_msgs] = @flash_array = nil           # clear out any messages from previous screen i.e import tab
     @sb[:active_node] ||= {}
     self.x_node = params[:id]
+    tree_selected_model
     set_active_tab(params[:id])
     session[:changed] = false
     self.x_node = params[:id] # if x_active_tree == :vmdb_tree #params[:action] == "x_show"
diff --git a/app/controllers/ops_controller/ops_rbac.rb b/app/controllers/ops_controller/ops_rbac.rb
index b0751d8be9e..88de0ccbe88 100644
--- a/app/controllers/ops_controller/ops_rbac.rb
+++ b/app/controllers/ops_controller/ops_rbac.rb
@@ -891,19 +891,15 @@ def rbac_get_info
       case id
       when "u"
         @right_cell_text = _("Access Control EVM Users")
-        @tree_selected_model = User
         rbac_users_list
       when "g"
         @right_cell_text = _("Access Control EVM Groups")
-        @tree_selected_model = MiqGroup
         rbac_groups_list
       when "ur"
         @right_cell_text = _("Access Control Roles")
-        @tree_selected_model = MiqUserRole
         rbac_roles_list
       when "tn"
         @right_cell_text = _("Access Control Tenants")
-        @tree_selected_model = Tenant
         rbac_tenants_list
       end
     when "u"
diff --git a/spec/controllers/ops_controller_spec.rb b/spec/controllers/ops_controller_spec.rb
index bc1b0b29dfa..db85db2beb4 100644
--- a/spec/controllers/ops_controller_spec.rb
+++ b/spec/controllers/ops_controller_spec.rb
@@ -266,6 +266,13 @@
       expect(response.status).to eq(200)
       expect(assigns(:sb)[:active_accord]).to eq(:rbac)
     end
+
+    it 'calls #tree_selected_model' do
+      controller.instance_variable_set(:@sb, {})
+      allow(controller).to receive(:render)
+      expect(controller).to receive(:tree_selected_model)
+      controller.send(:explorer)
+    end
   end
 
   context "#replace_explorer_trees" do
@@ -380,4 +387,72 @@
       end
     end
   end
+
+  context "#tree_selected_model" do
+    it 'sets @tree_model_selected to User for user node' do
+      allow(controller).to receive(:x_node).and_return('u-42')
+      controller.tree_selected_model
+      expect(assigns(:tree_selected_model)).to eq(User)
+    end
+
+    it 'sets @tree_model_selected to Tenant for tenant node' do
+      allow(controller).to receive(:x_node).and_return('tn-42')
+      controller.tree_selected_model
+      expect(assigns(:tree_selected_model)).to eq(Tenant)
+    end
+
+    it 'sets @tree_model_selected to MiqGroup for group node' do
+      allow(controller).to receive(:x_node).and_return('g-42')
+      controller.tree_selected_model
+      expect(assigns(:tree_selected_model)).to eq(MiqGroup)
+    end
+
+    it 'sets @tree_model_selected to MiqUserRole for group node' do
+      allow(controller).to receive(:x_node).and_return('ur-42')
+      controller.tree_selected_model
+      expect(assigns(:tree_selected_model)).to eq(MiqUserRole)
+    end
+
+    it 'sets @tree_model_selected to User for all users node' do
+      allow(controller).to receive(:x_node).and_return('xx-u')
+      controller.tree_selected_model
+      expect(assigns(:tree_selected_model)).to eq(User)
+    end
+
+    it 'sets @tree_model_selected to Tenant for all tenants node' do
+      allow(controller).to receive(:x_node).and_return('xx-tn')
+      controller.tree_selected_model
+      expect(assigns(:tree_selected_model)).to eq(Tenant)
+    end
+
+    it 'sets @tree_model_selected to MiqGroup for all groups node' do
+      allow(controller).to receive(:x_node).and_return('xx-g')
+      controller.tree_selected_model
+      expect(assigns(:tree_selected_model)).to eq(MiqGroup)
+    end
+
+    it 'sets @tree_model_selected to MiqUserRole for all roles node' do
+      allow(controller).to receive(:x_node).and_return('xx-ur')
+      controller.tree_selected_model
+      expect(assigns(:tree_selected_model)).to eq(MiqUserRole)
+    end
+
+    it 'sets @tree_model_selected to MiqRegion for root node' do
+      allow(controller).to receive(:x_node).and_return('root')
+      controller.tree_selected_model
+      expect(assigns(:tree_selected_model)).to eq(MiqRegion)
+    end
+  end
+
+  context '#tree_select' do
+    it 'calls #tree_select_model' do
+      controller.instance_variable_set(:@sb, {})
+      controller.params[:id] = 'root'
+      allow(controller).to receive(:set_active_tab)
+      allow(controller).to receive(:get_node_info)
+      allow(controller).to receive(:replace_right_cell)
+      expect(controller).to receive(:tree_selected_model)
+      controller.send(:tree_select)
+    end
+  end
 end