diff --git a/cfg/yolov3-spp.cfg b/cfg/yolov3-spp.cfg
index e10d1b33..bb4e893b 100644
--- a/cfg/yolov3-spp.cfg
+++ b/cfg/yolov3-spp.cfg
@@ -4,9 +4,9 @@
 # subdivisions=1
 # Training
 batch=64
-subdivisions=8
-width=320
-height=320
+subdivisions=16
+width=608
+height=608
 channels=3
 momentum=0.9
 decay=0.0005
@@ -16,7 +16,7 @@ exposure = 1.5
 hue=.1
 
 learning_rate=0.001
-burn_in=366
+burn_in=1000
 max_batches = 500200
 policy=steps
 steps=400000,450000