From 13195dfd0a9dbff2b6e18ca3373e5849926d5b0b Mon Sep 17 00:00:00 2001
From: Dominic Ferrando <dominicf2001@gmail.com>
Date: Fri, 3 Jul 2026 19:59:06 -0400
Subject: [PATCH] Fix filtered out age 0 error

---
 packages/calculator/src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/calculator/src/index.ts b/packages/calculator/src/index.ts
index 0515eb1..5272d9c 100644
--- a/packages/calculator/src/index.ts
+++ b/packages/calculator/src/index.ts
@@ -473,7 +473,7 @@ export class Standards {
                     // now that we generated metric data, remove the old data
                     this.standardsData[activity].standards = this.standardsData[
                         activity
-                    ].standards.filter((s) => s.metrics.age);
+                    ].standards.filter((s) => s.metrics.age != null);
                 } else if (generator.metric === "weight") {
                     for (const gender of Object.values(Gender)) {
                         for (const age of this.agesFor(activity, gender)) {