diff --git a/app/imports/api/creature/CreatureProperties.js b/app/imports/api/creature/CreatureProperties.js
index 0a3300d7..a87d96b9 100644
--- a/app/imports/api/creature/CreatureProperties.js
+++ b/app/imports/api/creature/CreatureProperties.js
@@ -155,7 +155,8 @@ const updateProperty = new ValidatedMethod({
       case 'parent':
       case 'ancestors':
 			case 'damage':
-				return false;
+				throw new Meteor.Error('Permission denied',
+				'This property can\'t be updated directly');
 		}
   },
   run({_id, path, value}) {
diff --git a/app/imports/ui/properties/attributes/ResourceCard.vue b/app/imports/ui/properties/attributes/ResourceCard.vue
index dd337376..120c8330 100644
--- a/app/imports/ui/properties/attributes/ResourceCard.vue
+++ b/app/imports/ui/properties/attributes/ResourceCard.vue
@@ -37,7 +37,7 @@
 			name: String,
 			color: String,
 			value: Number,
-			adjustment: Number,
+			damage: Number,
 		},
 		computed: {
 			currentValue(){
diff --git a/app/imports/ui/properties/attributes/SpellSlotListTile.vue b/app/imports/ui/properties/attributes/SpellSlotListTile.vue
index f6912a76..4f96f2b7 100644
--- a/app/imports/ui/properties/attributes/SpellSlotListTile.vue
+++ b/app/imports/ui/properties/attributes/SpellSlotListTile.vue
@@ -61,14 +61,14 @@ export default {
 		name: String,
 		color: String,
 		value: Number,
-		adjustment: {
+		damage: {
 			type: Number,
 			default: 0,
 		},
 	},
 	computed: {
 		currentValue(){
-			return this.value + (this.adjustment || 0);
+			return this.value - this.damage;
 		},
 	},
 	methods: {