diff --git a/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/resources/alertforms_messages.properties b/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/resources/alertforms_messages.properties
index 7ae1895..98fc6b6 100644
--- a/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/resources/alertforms_messages.properties
+++ b/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/resources/alertforms_messages.properties
@@ -44,6 +44,8 @@ task_alert_config.label_task_retrieval_type=Fetch the reference date from
 task.alertTaskHistory.information.title=Alert. Change of state for this response
 task.alertTaskHistory.information.in=In
 task.alertTaskHistory.information.days=day(s)
+task.alertTaskHistory.information.months=month(s)
+task.alertTaskHistory.information.years=year(s)
 task.alertTaskHistory.information.resourceWillChangeState=The response will change of state
 task.alertTaskHistory.information.resourceHasChangedState=The response has changed of state
 task.alertTaskHistory.information.resourceNotChangedState=The response has not changed of state
diff --git a/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/resources/alertforms_messages_fr.properties b/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/resources/alertforms_messages_fr.properties
index 374e799..d80f34f 100644
--- a/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/resources/alertforms_messages_fr.properties
+++ b/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/resources/alertforms_messages_fr.properties
@@ -44,6 +44,8 @@ task_alert_config.label_task_retrieval_type=R\u00e9cup\u00e9rer la date de r\u00
 task.alertTaskHistory.information.title=Alerte. Changement d'\u00e9tat de la fiche
 task.alertTaskHistory.information.in=Dans
 task.alertTaskHistory.information.days=jour(s)
+task.alertTaskHistory.information.months=mois
+task.alertTaskHistory.information.years=année(s)
 task.alertTaskHistory.information.resourceWillChangeState=La fiche va changer d'\u00e9tat
 task.alertTaskHistory.information.resourceHasChangedState=La fiche a chang\u00e9 d'\u00e9tat
 task.alertTaskHistory.information.resourceNotChangedState=Pas de changement d'\u00e9tat
diff --git a/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/util/constants/AlertConstants.java b/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/util/constants/AlertConstants.java
index f85b8b3..2ffe2d8 100644
--- a/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/util/constants/AlertConstants.java
+++ b/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/util/constants/AlertConstants.java
@@ -71,6 +71,8 @@ public final class AlertConstants
     public static final String MARK_STATE_BEFORE = "state_before";
     public static final String MARK_STATE_AFTER = "state_after";
     public static final String MARK_DAYS_BETWEEN = "days_between";
+    public static final String MARK_MONTHS_BETWEEN = "months_between";
+    public static final String MARK_YEARS_BETWEEN = "years_between";
     public static final String MARK_ALERT_ACTIVE = "alert_active";
     public static final String MARK_ALERT_EXECUTED = "alert_executed";
     public static final String MARK_NB_DAYS_ALERT = "nb_days_alert";
diff --git a/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/web/AlertTaskComponent.java b/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/web/AlertTaskComponent.java
index d22e0e6..15451a1 100644
--- a/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/web/AlertTaskComponent.java
+++ b/src/java/fr/paris/lutece/plugins/workflow/modules/alertforms/web/AlertTaskComponent.java
@@ -124,6 +124,8 @@ public String getDisplayTaskInformation( int nIdHistory, HttpServletRequest requ
 		
 		Period period = Period.between( ldtNow.toLocalDate( ), ldtRefAlert.toLocalDate( ) );
 		model.put( AlertConstants.MARK_DAYS_BETWEEN, period.getDays( ) );
+        model.put( AlertConstants.MARK_MONTHS_BETWEEN, period.getMonths( ) );
+        model.put( AlertConstants.MARK_YEARS_BETWEEN, period.getYears( ) );
 		model.put( AlertConstants.MARK_ALERT_ACTIVE, alert.isActive( ) );
 		model.put( AlertConstants.MARK_ALERT_EXECUTED, alert.isExecuted( ) );
 
diff --git a/webapp/WEB-INF/templates/admin/plugins/workflow/modules/alertforms/task_alert_history.html b/webapp/WEB-INF/templates/admin/plugins/workflow/modules/alertforms/task_alert_history.html
index 5c6db9f..12e9894 100644
--- a/webapp/WEB-INF/templates/admin/plugins/workflow/modules/alertforms/task_alert_history.html
+++ b/webapp/WEB-INF/templates/admin/plugins/workflow/modules/alertforms/task_alert_history.html
@@ -1,7 +1,11 @@
 <label>#i18n{module.workflow.alertforms.task.alertTaskHistory.information.title} :</label>
 <br/>
 <#if alert_active>
-    #i18n{module.workflow.alertforms.task.alertTaskHistory.information.in} <b>${days_between!''} #i18n{module.workflow.alertforms.task.alertTaskHistory.information.days}</b><br/>
+    #i18n{module.workflow.alertforms.task.alertTaskHistory.information.in}
+    <b>${years_between!''} #i18n{module.workflow.alertforms.task.alertTaskHistory.information.years}</b>
+    <b>${months_between!''} #i18n{module.workflow.alertforms.task.alertTaskHistory.information.months}</b>
+    <b>${days_between!''} #i18n{module.workflow.alertforms.task.alertTaskHistory.information.days}</b>
+    <br/>
     #i18n{module.workflow.alertforms.task.alertTaskHistory.information.resourceWillChangeState} : <br/>
     ${state_before.name!''} <i class="fa fa-arrow-right" aria-hidden="true"></i> ${state_after.name!''}
 <#else>