diff --git a/12_4_hello_rnn_emb.py b/12_4_hello_rnn_emb.py
index 3ab2098..1603ad6 100644
--- a/12_4_hello_rnn_emb.py
+++ b/12_4_hello_rnn_emb.py
@@ -38,7 +38,7 @@ def forward(self, x):
         # Initialize hidden and cell states
         # (num_layers * num_directions, batch, hidden_size)
         h_0 = Variable(torch.zeros(
-            self.num_layers, x.size(0), self.hidden_size))
+            num_layers, x.size(0), hidden_size))
 
         emb = self.embedding(x)
         emb = emb.view(batch_size, sequence_length, -1)