diff --git a/sgm/models/diffusion.py b/sgm/models/diffusion.py
index 8b7cc17..3ffb146 100644
--- a/sgm/models/diffusion.py
+++ b/sgm/models/diffusion.py
@@ -307,7 +307,7 @@ class DiffusionEngine(pl.LightningModule):
         log["inputs"] = x
         z = self.encode_first_stage(x)
         log["reconstructions"] = self.decode_first_stage(z)
-        logger.update(self.log_conditionings(batch, N))
+        log.update(self.log_conditionings(batch, N))
 
         for k in c:
             if isinstance(c[k], torch.Tensor):