diff --git a/GRUD.py b/GRUD.py
index 263ecc8..31c5f80 100644
--- a/GRUD.py
+++ b/GRUD.py
@@ -123,7 +123,7 @@ def step(self, x, h, mask, delta, x_mean):
         combined = torch.cat((x, h, mask), 1)
         z = F.sigmoid(self.zl(combined))
         r = F.sigmoid(self.rl(combined))
-		combined_r = torch.cat((x, r * Hidden_State, mask), 1)
+	combined_r = torch.cat((x, r * Hidden_State, mask), 1)
         h_tilde = F.tanh(self.hl(combined_r))
         h = (1 - z) * h + z * h_tilde