diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index f83a5657f..3b5afae08 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -290,6 +290,7 @@ class CoursesController < ApplicationController
       @role = params[:role]
       @course_groups = @course.course_groups if @course.course_groups
       @course_group_id = params[:@course_group_id] unless params[:@course_group_id].nil?
+      @show_serch = params[:role] == '2'
       case params[:role]
         when '1'
           @subPage_title = l :label_teacher_list
diff --git a/app/views/courses/_member_list.html.erb b/app/views/courses/_member_list.html.erb
index 6de228fd2..1c71d915a 100644
--- a/app/views/courses/_member_list.html.erb
+++ b/app/views/courses/_member_list.html.erb
@@ -5,10 +5,12 @@
       <% end %>&nbsp;&nbsp;&nbsp;
     <span style="font-size: 18px; float: left; margin-right: 35px"><%= l(:label_current_group)%>:&nbsp;<%= @group.name %></span>
   <% end %>
-  <%= form_tag( searchmembers_course_path(@course), method: 'get',:class => "f_l",:style => "margin-left: 5px; ",:remote=>true) do %>
-      <%= text_field_tag 'name', params[:name], name: "name", :class => 'f_1', :style => "height:15px"%>
-      <%= submit_tag l(:label_search), :class => "f_2"%>
-      <%#= link_to l(:label_search),'' , :class => 'f_2' %>
+  <% if @show_serch%>
+      <%= form_tag( searchmembers_course_path(@course), method: 'get',:class => "f_l",:style => "margin-left: 5px; ",:remote=>true) do %>
+          <%= text_field_tag 'name', params[:name], name: "name", :class => 'f_1', :style => "height:15px"%>
+          <%= submit_tag l(:label_search), :class => "f_2"%>
+          <%#= link_to l(:label_search),'' , :class => 'f_2' %>
+      <% end %>
   <% end %>
 
 </div>