diff --git a/Tutorial 7 opencv/app.py b/Tutorial 7 opencv/app.py
index 917c79d..bd59d82 100644
--- a/Tutorial 7 opencv/app.py	
+++ b/Tutorial 7 opencv/app.py	
@@ -12,7 +12,7 @@ def gen_frames():
         if not success:
             break
         else:
-            detector=cv2.CascadeClassifier('Haarcascades/haarcascade_frontalface_default.xml')
+            detector=cv2.CascadeClassifier(cv2.data.haarcascades+'haarcascade_frontalface_default.xml')
             eye_cascade = cv2.CascadeClassifier('Haarcascades/haarcascade_eye.xml')
             faces=detector.detectMultiScale(frame,1.1,7)
             gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
@@ -37,4 +37,4 @@ def index():
 def video_feed():
     return Response(gen_frames(), mimetype='multipart/x-mixed-replace; boundary=frame')
 if __name__=='__main__':
-    app.run(debug=True)
\ No newline at end of file
+    app.run(debug=True)