diff --git a/templates/actors/char-sheet-mvp/panels/spells.pc.hbs b/templates/actors/char-sheet-mvp/panels/spells.pc.hbs
index 6207784..ef37010 100644
--- a/templates/actors/char-sheet-mvp/panels/spells.pc.hbs
+++ b/templates/actors/char-sheet-mvp/panels/spells.pc.hbs
@@ -4,8 +4,8 @@
 			<summary data-collapse-id="{{spell.uuid}}">
 				<span class="flex-grow" style="flex-grow: 1">
 					{{spell.name}}
-					{{#if (defined spell.system.cost)}}
-						{{localize "dotdungeon.actor.pc.spells.title.cost" cost=spell.system.cost}}
+					{{#if (defined spell.system.usage_cost)}}
+						{{localize "dotdungeon.actor.pc.spells.title.cost" cost=spell.system.usage_cost}}
 					{{/if}}
 				</span>
 			</summary>
diff --git a/templates/items/spell.hbs b/templates/items/spell.hbs
index 14ed97e..16dfb5a 100644
--- a/templates/items/spell.hbs
+++ b/templates/items/spell.hbs
@@ -12,8 +12,8 @@
 		{{localize "dotdungeon.item.spell.cost.label"}}
 		<input
 			type="number"
-			name="system.cost"
-			value="{{system.cost}}"
+			name="system.usage_cost"
+			value="{{system.usage_cost}}"
 			aria-label="{{localize "dotdungeon.item.spell.aria.cost"}}"
 		>
 	</label>