diff --git a/fastreid/modeling/backbones/resnet.py b/fastreid/modeling/backbones/resnet.py
index 2f5cd4b..61b8de1 100644
--- a/fastreid/modeling/backbones/resnet.py
+++ b/fastreid/modeling/backbones/resnet.py
@@ -250,7 +250,7 @@ def build_resnet_backbone(cfg):
 
     num_blocks_per_stage = {34: [3, 4, 6, 3], 50: [3, 4, 6, 3], 101: [3, 4, 23, 3], 152: [3, 8, 36, 3], }[depth]
     nl_layers_per_stage = {34: [3, 4, 6, 3], 50: [0, 2, 3, 0], 101: [0, 2, 9, 0]}[depth]
-    block = {34: BasicBlock, 50: Bottleneck}[depth]
+    block = {34: BasicBlock, 50: Bottleneck, 101: Bottleneck}[depth]
     model = ResNet(last_stride, bn_norm, num_splits, with_ibn, with_se, with_nl, block,
                    num_blocks_per_stage, nl_layers_per_stage)
     if pretrain: