diff --git a/module/rdd-calendrier.js b/module/rdd-calendrier.js
index f8292a82..b84e796d 100644
--- a/module/rdd-calendrier.js
+++ b/module/rdd-calendrier.js
@@ -225,7 +225,7 @@ export class RdDCalendrier extends Application {
   checkMaladie( periode) {
     for (let actor of game.actors) {
       if (actor.type == 'personnage') {
-        let maladies = actor.filterItems( item => (item.type == 'maladie' || item.type == 'poison') && item.data.periodicite.toLowerCase().includes(periode) );
+        let maladies = actor.filterItems( item => (item.type == 'maladie' || (item.type == 'poison' && item.data.active) ) && item.data.periodicite.toLowerCase().includes(periode) );
         for (let maladie of maladies) {
           if ( maladie.data.identifie) {            
             ChatMessage.create({ content: `${actor.name} souffre de ${maladie.name} (${maladie.type}): vérifiez que les effets ne se sont pas aggravés !` });
diff --git a/system.json b/system.json
index be013e59..374d03d4 100644
--- a/system.json
+++ b/system.json
@@ -2,11 +2,11 @@
   "name": "foundryvtt-reve-de-dragon",
   "title": "Rêve de Dragon",
   "description": "Rêve de Dragon RPG for FoundryVTT",
-  "version": "1.5.25",
+  "version": "1.5.26",
   "manifestPlusVersion": "1.0.0",
   "minimumCoreVersion": "0.8.0",
   "compatibleCoreVersion": "0.8.9",
-  "templateVersion": 125,
+  "templateVersion": 126,
   "author": "LeRatierBretonnien",
   "authors": [
     { 
diff --git a/template.json b/template.json
index 81954ebf..81c09dd0 100644
--- a/template.json
+++ b/template.json
@@ -896,6 +896,7 @@
     "remedesconnus": false,
     "remedes": "",
     "dommages":"",
+    "active": false,
     "description": "",
     "descriptionmj": ""
   },
diff --git a/templates/item-poison-sheet.html b/templates/item-poison-sheet.html
index 479f78c6..f9a1e56d 100644
--- a/templates/item-poison-sheet.html
+++ b/templates/item-poison-sheet.html
@@ -12,6 +12,10 @@
   
   {{!-- Sheet Body --}}
   <section class="sheet-body">
+    <div class="form-group">
+      <label for="xp">Actif ? </label>
+      <input class="attribute-value" type="checkbox" name="data.active"  {{#if data.active}}checked{{/if}}/>
+    </div>
     {{#if (or isGM data.identifie)}}
     <div class="form-group">
       <label for="xp">Identifiée ? </label>