diff --git a/sagan/loss.py b/sagan/loss.py
index 63f2067..7c8d5c4 100644
--- a/sagan/loss.py
+++ b/sagan/loss.py
@@ -46,7 +46,7 @@ def forward(self, fake_logits, mode, real_logits=None):
     def _generator_loss(self, fake_logits):
         return - fake_logits.mean()
 
-    def __discriminator_loss(self, real_logits, fake_logits):
+    def _discriminator_loss(self, real_logits, fake_logits):
         return - real_logits.mean() + fake_logits.mean()
     
     def get_interpolates(self, reals, fakes):