diff --git a/src/fxhnt/domain/strategies/equity_factor.py b/src/fxhnt/domain/strategies/equity_factor.py
index 799b8ea..48339b5 100644
--- a/src/fxhnt/domain/strategies/equity_factor.py
+++ b/src/fxhnt/domain/strategies/equity_factor.py
@@ -70,7 +70,7 @@ def construction_weights(scores: list[float], construction: str, quantile: float
     if n == 0:
         return []
     if construction == "tilt":
-        med = sorted(scores)[n // 2]
+        med = median(scores)
         pos = [max(0.0, s - med) for s in scores]
         tot = sum(pos)
         return [p / tot for p in pos] if tot > 0 else [1.0 / n] * n