diff --git a/detectors/dsfd/__init__.py b/detectors/dsfd/__init__.py
index 3f56333..bf06116 100644
--- a/detectors/dsfd/__init__.py
+++ b/detectors/dsfd/__init__.py
@@ -34,8 +34,7 @@ def detect_faces(self, image, conf_th=0.8, scales=[1]):
             for s in scales:
                 scaled_img = cv2.resize(image, dsize=(0, 0), fx=s, fy=s, interpolation=cv2.INTER_LINEAR)
 
-                scaled_img = np.swapaxes(scaled_img, 1, 2)
-                scaled_img = np.swapaxes(scaled_img, 1, 0)
+                scaled_img = np.rollaxis(scaled_img, 2, 0)
                 scaled_img = scaled_img[[2, 1, 0], :, :]
                 scaled_img = scaled_img.astype('float32')
                 scaled_img -= img_mean