diff --git a/code/model_Unet.py b/code/model_Unet.py
index c74e7287066bd6201bad795a8bb2f0745d865137..536fb982d9aaff5d7fb11033abd24f169775afd3 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)