diff --git a/s_bert.py b/s_bert.py
index 1a73b58..7586c2e 100644
--- a/s_bert.py
+++ b/s_bert.py
@@ -85,8 +85,8 @@ class STransformers(NNOperator):
         else:
             sentences = txt
         inputs = self.tokenize(sentences)
-	for k, v in inputs.items():
-		inputs[k] = v.to(self.device)
+        for k, v in inputs.items():
+            inputs[k] = v.to(self.device)
         embs = self.model(**inputs).cpu().detach().numpy()
         if isinstance(txt, str):
             embs = embs.squeeze(0)