diff --git a/package/ose-v0.9.9.zip b/package/ose-v0.9.9.zip
new file mode 100644
index 0000000..1ec0b50
Binary files /dev/null and b/package/ose-v0.9.9.zip differ
diff --git a/src/module/actor/monster-sheet.js b/src/module/actor/monster-sheet.js
index 15ee7c3..68537f1 100644
--- a/src/module/actor/monster-sheet.js
+++ b/src/module/actor/monster-sheet.js
@@ -150,6 +150,21 @@ export class OseActorSheetMonster extends OseActorSheet {
     }
   }
 
+  async _onCountChange(event) {
+    event.preventDefault();
+    const itemId = event.currentTarget.closest(".item").dataset.itemId;
+    const item = this.actor.getOwnedItem(itemId);
+    if (event.target.dataset.field == "value") {
+      return item.update({
+        "data.counter.value": parseInt(event.target.value),
+      });
+    } else if (event.target.dataset.field == "max") {
+      return item.update({
+        "data.counter.max": parseInt(event.target.value),
+      });
+    }
+  }
+
   /**
    * Activate event listeners using the prepared sheet HTML
    * @param html {HTML}   The prepared HTML object ready to be rendered into the DOM
@@ -221,10 +236,10 @@ export class OseActorSheetMonster extends OseActorSheet {
       actorObject.rollAppearing({ event: event, check: check });
     });
 
-    // html
-    //   .find(".counter input")
-    //   .click((ev) => ev.target.select())
-    //   .change(this._onCountChange.bind(this));
+    html
+      .find(".counter input")
+      .click((ev) => ev.target.select())
+      .change(this._onCountChange.bind(this));
 
     html.find(".hp-roll").click((ev) => {
       let actorObject = this.actor;
diff --git a/src/system.json b/src/system.json
index 5e7925b..5272666 100644
--- a/src/system.json
+++ b/src/system.json
@@ -2,7 +2,7 @@
   "name": "ose",
   "title": "Old-School Essentials",
   "description": "Play B/X OSR modules with Old-School Essentials on Foundry VTT",
-  "version": "0.9.8",
+  "version": "0.9.9",
   "minimumCoreVersion": "0.6.2",
   "compatibleCoreVersion": "0.6.5",
   "templateVersion": 2,
@@ -41,5 +41,5 @@
   "gridUnits": "ft",
   "url": "https://gitlab.com/mesfoliesludiques/foundryvtt-ose",
   "manifest": "https://gitlab.com/mesfoliesludiques/foundryvtt-ose/raw/master/src/system.json",
-  "download": "https://gitlab.com/mesfoliesludiques/foundryvtt-ose/-/raw/master/package/ose-v0.9.8.zip"
+  "download": "https://gitlab.com/mesfoliesludiques/foundryvtt-ose/-/raw/master/package/ose-v0.9.9.zip"
 }