diff --git a/models/builder.py b/models/builder.py
index 4c2c2f8..767653d 100644
--- a/models/builder.py
+++ b/models/builder.py
@@ -7,7 +7,7 @@
 from torch.autograd import Variable
 from .heads import Corr_Up, MultiRPN, DepthwiseRPN
 from .backbones import AlexNet, Vgg, ResNet22, Incep22, ResNeXt22, ResNet22W, resnet50, resnet34, resnet18
-from neck import AdjustLayer, AdjustAllLayer
+from .neck import AdjustLayer, AdjustAllLayer
 from .utils import load_pretrain