diff --git a/frontend/src/pages/HealthPage.jsx b/frontend/src/pages/HealthPage.jsx
index 74402a5..0e452b4 100644
--- a/frontend/src/pages/HealthPage.jsx
+++ b/frontend/src/pages/HealthPage.jsx
@@ -75,7 +75,7 @@ function Vo2MaxGauge({ value, birthYear, biologicalSex }) {
   const arc = (v1, v2, radius = r) => {
     const [x1, y1] = toXY(v1, radius)
     const [x2, y2] = toXY(v2, radius)
-    const large = (v2 - v1) / (MAX - MIN) > 0.5 ? 1 : 0
+    const large = 0  // gauge spans 180°, so no segment ever exceeds 180°
     return `M ${x1.toFixed(2)} ${y1.toFixed(2)} A ${radius} ${radius} 0 ${large} 1 ${x2.toFixed(2)} ${y2.toFixed(2)}`
   }