diff --git a/nets/yolo_training.py b/nets/yolo_training.py
index 6bc9610d6854726b03be9c655f83b8bf53c45061..f9fac9c73a1134a387f72becda673b379ad40455 100644
--- a/nets/yolo_training.py
+++ b/nets/yolo_training.py
@@ -515,7 +515,7 @@ class Generator(object):
                 if train:
                     img,y=self.get_random_data(annotation_line, self.image_size[0:2])
                 else:
-                    img,y=self.get_random_data(annotation_line, self.image_size[0:2], False)
+                    img,y=self.get_random_data(annotation_line, self.image_size[0:2], random=False)
 
                 if len(y)!=0:
                     boxes = np.array(y[:,:4],dtype=np.float32)