diff --git a/python_ml/main.py b/python_ml/main.py
index eede93d..2115952 100644
--- a/python_ml/main.py
+++ b/python_ml/main.py
@@ -323,7 +323,13 @@ async def detect_anomalies(request: DetectRequest):
             detections = ml_detector.detect(df, mode='confidence')
             # Convert to legacy format for compatibility
             for det in detections:
-                det['confidence'] = det['confidence_level']  # Map confidence_level to confidence
+                # Map confidence_level string to numeric value for database
+                confidence_mapping = {
+                    'high': 95.0,
+                    'medium': 75.0,
+                    'low': 50.0
+                }
+                det['confidence'] = confidence_mapping.get(det['confidence_level'], 50.0)
         else:
             print("[DETECT] Using Legacy ML Analyzer")
             detections = ml_analyzer.detect(df, risk_threshold=request.risk_threshold)