diff --git a/packages/website-ue/src/core/tankopedia/aggregateParameters.ts b/packages/website-ue/src/core/tankopedia/aggregateParameters.ts
index e4f812684..a44beca2f 100644
--- a/packages/website-ue/src/core/tankopedia/aggregateParameters.ts
+++ b/packages/website-ue/src/core/tankopedia/aggregateParameters.ts
@@ -193,7 +193,7 @@ export function aggregateParameters(
 
     stage0.number = 0;
 
-    for (let i = 0; i < stage; i++) {
+    for (let i = 0; i <= stage; i++) {
       patch(stage0, line.stages[i]);
     }
   }