diff --git a/src/main/resources/hudson/security/LDAPSecurityRealm/config.jelly b/src/main/resources/hudson/security/LDAPSecurityRealm/config.jelly
index 2f99c9e..7d95c55 100644
--- a/src/main/resources/hudson/security/LDAPSecurityRealm/config.jelly
+++ b/src/main/resources/hudson/security/LDAPSecurityRealm/config.jelly
@@ -23,7 +23,7 @@ THE SOFTWARE.
 -->
 
 <?jelly escape-by-default='true'?>
-<j:jelly xmlns:j="jelly:core" xmlns:f="/lib/form">
+<j:jelly xmlns:j="jelly:core" xmlns:f="/lib/form" xmlns:st="jelly:stapler" xmlns:l="/lib/layout" >
     <f:entry field="server" title="${%Server}">
         <f:textbox/>
     </f:entry>
@@ -41,8 +41,50 @@ THE SOFTWARE.
             <f:textbox default="${descriptor.DEFAULT_USER_SEARCH}"/>
         </f:entry>
         <f:advanced title="${%Case sensitivity}">
-            <f:dropdownDescriptorSelector field="userIdStrategy" title="${%Login name case sensitivity}" default="${descriptor.defaultIdStrategy}"/>
-            <f:dropdownDescriptorSelector field="groupIdStrategy" title="${%Group name case sensitivity}" default="${descriptor.defaultIdStrategy}"/>
+          <!-- TODO Jenkins 1.577+ switch to f:dropdownDescriptorSelector -->
+          <!--f:dropdownDescriptorSelector field="userIdStrategy" title="${%Login name case sensitivity}" default="${descriptor.defaultIdStrategy}"/-->
+          <!--f:dropdownDescriptorSelector field="groupIdStrategy" title="${%Group name case sensitivity}" default="${descriptor.defaultIdStrategy}"/-->
+          <f:dropdownList name="userIdStrategy" title="${%Login name case sensitivity}"
+                          help="${descriptor.getHelpFile('userIdStrategy')}">
+            <j:scope>
+              <j:set var="descriptors"
+                     value="${descriptor.getPropertyType(instance,'userIdStrategy').getApplicableDescriptors()}"/>
+              <j:set var="current" value="${instance['userIdStrategy']}"/>
+              <j:set var="current" value="${current!=null ? current : (default.descriptor!=null ? default : null)}"/>
+              <j:forEach var="descriptor" items="${descriptors}" varStatus="loop">
+                <f:dropdownListBlock value="${loop.index}" title="${descriptor.displayName}"
+                                     selected="${current.descriptor==descriptor || (current==null and descriptor==attrs.default)}"
+                                     staplerClass="${descriptor.clazz.name}"
+                                     lazy="descriptor">
+                  <l:ajax>
+                    <j:set var="instance" value="${current.descriptor==descriptor ? current : null}"/>
+                    <st:include from="${descriptor}" page="${descriptor.configPage}" optional="true"/>
+                  </l:ajax>
+                </f:dropdownListBlock>
+              </j:forEach>
+            </j:scope>
+          </f:dropdownList>
+          <f:dropdownList name="groupIdStrategy" title="${%Group name case sensitivity}"
+                          help="${descriptor.getHelpFile('groupIdStrategy')}">
+            <j:scope>
+              <j:set var="descriptors"
+                     value="${descriptor.getPropertyType(instance,'userIdStrategy').getApplicableDescriptors()}"/>
+              <j:set var="current" value="${instance['groupIdStrategy']}"/>
+              <j:set var="current" value="${current!=null ? current : (default.descriptor!=null ? default : null)}"/>
+              <j:forEach var="descriptor" items="${descriptors}" varStatus="loop">
+                <f:dropdownListBlock value="${loop.index}" title="${descriptor.displayName}"
+                                     selected="${current.descriptor==descriptor || (current==null and descriptor==attrs.default)}"
+                                     staplerClass="${descriptor.clazz.name}"
+                                     lazy="descriptor">
+                  <l:ajax>
+                    <j:set var="instance" value="${current.descriptor==descriptor ? current : null}"/>
+                    <st:include from="${descriptor}" page="${descriptor.configPage}" optional="true"/>
+                  </l:ajax>
+                </f:dropdownListBlock>
+              </j:forEach>
+            </j:scope>
+          </f:dropdownList>
+          <!-- END TODO Jenkins 1.577+ -->
         </f:advanced>
         <f:entry field="groupSearchBase" title="${%Group search base}">
             <f:textbox/>