diff --git a/nets/yolo_training.py b/nets/yolo_training.py
index 0935681d0a65de0fa89d104b8b85958d09db9302..0e841e49f95da086666671f5294ea9c605d96eb1 100644
--- a/nets/yolo_training.py
+++ b/nets/yolo_training.py
@@ -325,7 +325,7 @@ class Generator(object):
 
         # resize image
         new_ar = w/h * rand(1-jitter,1+jitter)/rand(1-jitter,1+jitter)
-        scale = rand(.25, 2)
+        scale = rand(.5, 1.5)
         if new_ar < 1:
             nh = int(scale*h)
             nw = int(nh*new_ar)