diff --git a/code/model_Unet.py b/code/model_Unet.py
index 697afb61b363b9f32843488cfa83f7adaa3eef0f..b36e9f1b955e0a59458b81d29f582dcce3835b21 100644
--- a/code/model_Unet.py
+++ b/code/model_Unet.py
@@ -37,7 +37,7 @@ class TestModule(pl.LightningModule):
             classes=1,  # classes == output channels. We use one output channel for cyto data
             activation="sigmoid"
         )
-        self.loss_f = torch.nn.L1Loss()  #torch.nn.L1Loss() #RMILoss(with_logits=True) #torch.nn.MSELoss()
+        self.loss_f = torch.nn.MSELoss()  #torch.nn.L1Loss() #RMILoss(with_logits=True) #torch.nn.MSELoss()
 
     def forward(self, x):
         x = self.model(x)