diff --git a/homeassistant/components/image_processing/dlib_face_detect.py b/homeassistant/components/image_processing/dlib_face_detect.py
index 7c0c0e26649..b4ad10934f2 100644
--- a/homeassistant/components/image_processing/dlib_face_detect.py
+++ b/homeassistant/components/image_processing/dlib_face_detect.py
@@ -68,4 +68,4 @@ class DlibFaceDetectEntity(ImageProcessingFaceEntity):
         image = face_recognition.load_image_file(fak_file)
         face_locations = face_recognition.face_locations(image)
 
-        self.process_faces(face_locations, len(face_locations))
+        self.process_faces(list(face_locations), len(face_locations))