diff --git a/kws/model/kws_model.py b/kws/model/kws_model.py
index a3c1d0a..56cbf76 100644
--- a/kws/model/kws_model.py
+++ b/kws/model/kws_model.py
@@ -127,10 +127,10 @@ def init_model(configs):
         dropout = configs['classifier']['dropout']
 
         classifier_base = nn.Sequential(
-        nn.Linear(hidden_dim, 64),
-        nn.ReLU(),
-        nn.Dropout(dropout),
-        nn.Linear(64, output_dim))
+                nn.Linear(hidden_dim, 64),
+                nn.ReLU(),
+                nn.Dropout(dropout),
+                nn.Linear(64, output_dim))
 
         if classifier_type == 'global':
             classifier = GlobalClassifier(classifier_base)