diff --git a/src/detector.py b/src/detector.py
index 2c6f351..2020fb5 100644
--- a/src/detector.py
+++ b/src/detector.py
@@ -76,7 +76,7 @@ class Detector:
             detections.append(Detection(label, confidences[i], box))
 
         font = cv.FONT_HERSHEY_PLAIN
-        marked = cv.imread(filename)
+        marked = cv.imread(str(filename))
         for detection in detections:
             x, y, w, h = detection.box
             cv.rectangle(marked, (x,y), (x + w, y + h), (255,255,255,0), 2)