diff --git a/model/unet_parts.py b/model/unet_parts.py
index 99cb41a..b24e375 100644
--- a/model/unet_parts.py
+++ b/model/unet_parts.py
@@ -53,7 +53,7 @@ def __init__(self, in_ch, out_ch, bilinear=True):
         #  would be a nice idea if the upsampling could be learned too,
         #  but my machine do not have enough memory to handle all those weights
         if bilinear:
-            self.up = nn.functional.interpolate(scale_factor=2, mode='bilinear', align_corners=True)
+            self.up = nn.Upsample(scale_factor=2, mode='bilinear', align_corners=True)
         else:
             self.up = nn.ConvTranspose2d(in_ch//2, in_ch//2, 2, stride=2)