diff --git a/4_detect.py b/4_detect.py
index 79e824d..f46e4f2 100644
--- a/4_detect.py
+++ b/4_detect.py
@@ -26,7 +26,7 @@ from ultralytics import YOLO
 DEFAULT_WEIGHTS = "runs/detect/coffee_v1/weights/best.pt"
 DEFAULT_CONF    = .35   # lower = more detections and more false positives.
 DEFAULT_IOU     = .45   # NMS  IoU threshold.
-DEFAULT_IMGSZ   = 640
+DEFAULT_IMGSZ   = 800
 OUTPUT_DIR      = Path("detections")