diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/users/UserCRUDController.java b/libreplan-webapp/src/main/java/org/libreplan/web/users/UserCRUDController.java
index dba322373..4ed3f8542 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/users/UserCRUDController.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/users/UserCRUDController.java
@@ -25,6 +25,8 @@ import static org.libreplan.web.I18nHelper._;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
+import java.util.Comparator;
 import java.util.List;
 
 import javax.annotation.Resource;
@@ -151,6 +153,13 @@ public class UserCRUDController extends BaseCRUDController<User> implements
                 .values()));
         roles.remove(UserRole.ROLE_BOUND_USER);
 
+        Collections.sort(roles, new Comparator<UserRole> () {
+            @Override
+            public int compare(UserRole arg0, UserRole arg1) {
+                return arg0.getDisplayName().compareTo(arg1.getDisplayName());
+            }
+        });
+
         for (UserRole role : roles) {
             Comboitem item = combo.appendItem(_(role.getDisplayName()));
             item.setValue(role);