diff --git a/python-package/insightface/app/face_analysis.py b/python-package/insightface/app/face_analysis.py
index 6c3dfcbd2..a9112b14a 100644
--- a/python-package/insightface/app/face_analysis.py
+++ b/python-package/insightface/app/face_analysis.py
@@ -55,10 +55,10 @@ def prepare(self, ctx_id, det_thresh=0.5, det_size=(640, 640)):
             else:
                 model.prepare(ctx_id)
 
-    def get(self, img, max_num=0):
+    def get(self, img, max_num=0, det_metric='default'):
         bboxes, kpss = self.det_model.detect(img,
                                              max_num=max_num,
-                                             metric='default')
+                                             metric=det_metric)
         if bboxes.shape[0] == 0:
             return []
         ret = []