diff --git a/libreplan-business/src/main/java/org/libreplan/business/users/entities/User.java b/libreplan-business/src/main/java/org/libreplan/business/users/entities/User.java
index 002191b4d..3d4a2fa7b 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/users/entities/User.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/users/entities/User.java
@@ -286,4 +286,10 @@ public class User extends BaseEntity implements IHumanIdentifiable{
         return loginName;
     }
 
+    public String getAuthenticationMethod() {
+        if (isLibrePlanUser())
+            return "LibrePlan";
+        return "LDAP";
+    }
+
 }
diff --git a/libreplan-webapp/src/main/webapp/users/_listUsers.zul b/libreplan-webapp/src/main/webapp/users/_listUsers.zul
index 78005611a..f45f49719 100644
--- a/libreplan-webapp/src/main/webapp/users/_listUsers.zul
+++ b/libreplan-webapp/src/main/webapp/users/_listUsers.zul
@@ -26,7 +26,7 @@
             <newdatasortablecolumn label="${i18n:_('User login name')}" sort="auto(loginName)" />
             <newdatasortablecolumn label="${i18n:_('Disabled')}" />
             <newdatasortablecolumn label="${i18n:_('Administrator')}" />
-            <newdatasortablecolumn label="${i18n:_('LibrePlan user')}" />
+            <newdatasortablecolumn label="${i18n:_('Authentication type')}" />
             <newdatasortablecolumn label="${i18n:_('Actions')}" />
         </columns>
         <rows>
@@ -34,7 +34,7 @@
                 <label value="@{user.loginName}" />
                 <checkbox checked="@{user.disabled}" disabled="true" />
                 <checkbox checked="@{user.administrator}" disabled="true" />
-                <checkbox checked="@{user.librePlanUser}" disabled="true" />
+                <label value="@{user.authenticationMethod}" />
                 <hbox>
                     <button sclass="icono" image="/common/img/ico_editar1.png"
                         hoverImage="/common/img/ico_editar.png"