diff --git a/embedding_converter/src/training.py b/embedding_converter/src/training.py
index 6c1aba6..4b1f6b1 100644
--- a/embedding_converter/src/training.py
+++ b/embedding_converter/src/training.py
@@ -49,9 +49,8 @@ class EmbeddingConverterTrainer(lightning.LightningModule):
 	def validation_step(self, batch : Batch, batch_index : int) -> Tensor:
 		with torch.no_grad():
 			source_embedding = self.source_embedder(batch)
-			target_embedding = self.target_embedder(batch)
 		output_embedding = self(source_embedding)
-		validation = self.mse_loss(output_embedding, target_embedding)
+		validation = (nn.functional.cosine_similarity(source_embedding, output_embedding).mean() + 1) * 0.5
 		self.log('validation', validation, prog_bar = True)
 		return validation
 
@@ -113,7 +112,7 @@ def create_trainer() -> Trainer:
 				save_last = True
 			)
 		],
-		val_check_interval = 10
+		val_check_interval = 100
 	)