diff --git a/app/views/admin/cancerpredicts/index.html.erb b/app/views/admin/cancerpredicts/index.html.erb
index 0cb2234..2726e8a 100644
--- a/app/views/admin/cancerpredicts/index.html.erb
+++ b/app/views/admin/cancerpredicts/index.html.erb
@@ -239,7 +239,7 @@
 			<button type="button" class="advance_mode_help_btn" data-target="#show_advance_mode_modal"><i aria-hidden="true" class="fa fa-question"></i></button>
 		</label>
 		<div class="controls">
-			 <input id="advance_mode" name="<%=form.object_name%>[advance_mode]" type="checkbox" class="toggle-check" data-disabled="<%=form.object.advance_mode == false%>">
+			 <input id="advance_mode" name="<%=form.object_name%>[advance_mode]" type="checkbox" class="toggle-check" data-disabled="<%=!(form.object.advance_mode)%>">
 		</div>
 	</div>
 	<div style="clear:both;"></div>