diff --git a/src/main/java/com/michelin/cio/hudson/plugins/rolestrategy/ValidationUtil.java b/src/main/java/com/michelin/cio/hudson/plugins/rolestrategy/ValidationUtil.java
index 641e7783..58c6458a 100644
--- a/src/main/java/com/michelin/cio/hudson/plugins/rolestrategy/ValidationUtil.java
+++ b/src/main/java/com/michelin/cio/hudson/plugins/rolestrategy/ValidationUtil.java
@@ -3,6 +3,7 @@
 import hudson.Functions;
 import hudson.Util;
 import hudson.model.User;
+import hudson.security.GroupDetails;
 import hudson.security.SecurityRealm;
 import hudson.security.UserMayOrMayNotExistException2;
 import hudson.util.FormValidation;
@@ -87,7 +88,8 @@ static String formatUserGroupValidationResponse(AuthorizationType type, String u
   static FormValidation validateGroup(String groupName, SecurityRealm sr, boolean ambiguous) {
     String escapedSid = Functions.escape(groupName);
     try {
-      sr.loadGroupByGroupname2(groupName, false);
+      GroupDetails details = sr.loadGroupByGroupname2(groupName, false);
+      escapedSid = Util.escape(StringUtils.abbreviate(details.getDisplayName(), 50));
       if (ambiguous) {
         return FormValidation.respond(FormValidation.Kind.WARNING,
                 formatUserGroupValidationResponse(AuthorizationType.GROUP, escapedSid,