diff --git a/module/actor.js b/module/actor.js
index a6e5f525..7bb90623 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -3277,11 +3277,11 @@ export class RdDActor extends Actor {
     protection = Math.max(protection - penetration, 0);
     protection += this.getProtectionNaturelle();
     // Gestion des cas particuliers sur la fenêtre d'encaissement
-    if (attackerRoll.dmg.encaisserSpecial && attackerRoll.dmg.encaisserSpecial == "noarmure") {
+    if (attackerRoll.dmg.encaisserSpecial == "noarmure") {
       protection = 0;
     }
-    if (attackerRoll.dmg.encaisserSpecial && attackerRoll.dmg.encaisserSpecial == "chute" && Number(protection) > 2) {
-      protection = 2;
+    if (attackerRoll.dmg.encaisserSpecial == "chute") {
+      protection = Math.min(protection, 2);
     }
     console.log("Final protect", protection, attackerRoll);
     return protection;
@@ -3289,20 +3289,25 @@ export class RdDActor extends Actor {
 
   /* -------------------------------------------- */
   _deteriorerArmure(item, dmg) {
-    if (!ReglesOptionelles.isUsing('deteriorationArmure')) {
+    let itemData = duplicate(Misc.data(item));
+    if (!ReglesOptionelles.isUsing('deteriorationArmure') || itemData.data.protection == '0') {
       return;
     }
-    let itemData = duplicate(Misc.data(item));
     itemData.data.deterioration = (itemData.data.deterioration ?? 0) + dmg;
     if (itemData.data.deterioration >= 10) {
-      itemData.data.deterioration = 0;
-      let res = /\d+/.exec(itemData.data.protection);
-      if (!res) {
-        itemData.data.protection = "1d" + itemData.data.protection;
+      itemData.data.deterioration -= 10;
+      let res = /(\d+)?d(\d+)(\-\d+)?/.exec(itemData.data.protection);
+      if (res) {
+        let malus = Misc.toInt(res[3]) - 1;
+        let armure = Misc.toInt(res[2]);
+        if (armure+malus <= 0){
+          itemData.data.protection = 0;
+        } else {
+          itemData.data.protection = '' + (res[1]??'1') + 'd' + armure + malus;
+        }
       }
-      else if (res = /(\d+d\d+)(\-\d+)?/.exec(itemData.data.protection)) {
-        let malus = Misc.toInt(res[2]) - 1;
-        itemData.data.protection = res[1] + malus;
+      else if (/\d+/.exec(itemData.data.protection)) {
+        itemData.data.protection = "1d" + itemData.data.protection;
       }
       else {
         ui.notifications.warn(`La valeur d'armure de votre ${item.name} est incorrecte`);