diff --git a/configs/faster_rcnn_r50_fpn_1x.yml b/configs/faster_rcnn_r50_fpn_1x.yml
index d7df636c6bfa84725f055b4b8ba94d598ab2cc6e..6e624675f6af51ef7e375e9946ed08303adfb751 100644
--- a/configs/faster_rcnn_r50_fpn_1x.yml
+++ b/configs/faster_rcnn_r50_fpn_1x.yml
@@ -90,8 +90,8 @@ LearningRate:
     gamma: 0.1
     milestones: [60000, 80000]
   - !LinearWarmup
-    start_factor: 0.3333333333333333
-    steps: 500
+    start_factor: 0.1
+    steps: 1000
 
 OptimizerBuilder:
   optimizer: