diff --git a/nets/yolo_training.py b/nets/yolo_training.py
index 25b14405e6109b02b8b1886c9ae9507e8e9c6951..cea2186fef58ff3f9ba30638f3657e4686466188 100644
--- a/nets/yolo_training.py
+++ b/nets/yolo_training.py
@@ -292,7 +292,7 @@ class Generator(object):
 
         # resize image
         new_ar = w/h * rand(1-jitter,1+jitter)/rand(1-jitter,1+jitter)
-        scale = rand(.5, 1.5)
+        scale = rand(.25, 2)
         if new_ar < 1:
             nh = int(scale*h)
             nw = int(nh*new_ar)