diff --git a/backend/routers/charts.py b/backend/routers/charts.py
index 951f0f4..80da896 100644
--- a/backend/routers/charts.py
+++ b/backend/routers/charts.py
@@ -688,7 +688,7 @@ def get_protein_adequacy_chart(
     confidence = calculate_confidence(len(rows), days, "general")
 
     # Count days in target
-    days_in_target = sum(1 for v in values if target_low <= v <= target_high)
+    days_in_target = sum(1 for v in daily_values if target_low <= v <= target_high)
 
     return {
         "chart_type": "line",
@@ -702,7 +702,7 @@ def get_protein_adequacy_chart(
             "target_low": round(target_low, 1),
             "target_high": round(target_high, 1),
             "days_in_target": days_in_target,
-            "target_compliance_pct": round(days_in_target / len(values) * 100, 1) if values else 0,
+            "target_compliance_pct": round(days_in_target / len(daily_values) * 100, 1) if daily_values else 0,
             "first_date": rows[0]['date'],
             "last_date": rows[-1]['date']
         })