diff --git a/codes/models/networks.py b/codes/models/networks.py
index 22dea7d7..b9c9653a 100644
--- a/codes/models/networks.py
+++ b/codes/models/networks.py
@@ -12,6 +12,7 @@ import models.archs.SPSR_arch as spsr
 import models.archs.StructuredSwitchedGenerator as ssg
 import models.archs.rcan as rcan
 from collections import OrderedDict
+import torchvision
 
 logger = logging.getLogger('base')
 
@@ -126,6 +127,9 @@ def define_D_net(opt_net, img_sz=None, wrap=False):
         netD = DiscriminatorResnet_arch_passthrough.fixup_resnet34(num_filters=opt_net['nf'], num_classes=1, input_img_size=img_sz,
                                                                    number_skips=opt_net['number_skips'], use_bn=True,
                                                                    disable_passthrough=opt_net['disable_passthrough'])
+    elif which_model == 'resnext':
+        netD = torchvision.models.resnext50_32x4d(pretrained=True)
+        netD.fc = torch.nn.Linear(512 * 4, 1)
     elif which_model == 'discriminator_pix':
         netD = SRGAN_arch.Discriminator_VGG_PixLoss(in_nc=opt_net['in_nc'], nf=opt_net['nf'])
     elif which_model == "discriminator_unet":