diff --git a/demo/sequence_tagging/linear_crf.py b/demo/sequence_tagging/linear_crf.py
index 0624b17787aaf90732707e5f4fc6c2195b8f65ee..ea012ba1ae9c790ccefd3dd5f066aa92202128a2 100644
--- a/demo/sequence_tagging/linear_crf.py
+++ b/demo/sequence_tagging/linear_crf.py
@@ -27,7 +27,7 @@ settings(
     learning_method=MomentumOptimizer(),
     batch_size=batch_size,
     regularization=L2Regularization(batch_size * 1e-4),
-    average_window=0.5,
+    model_average=ModelAverage(0.5),
     learning_rate=1e-1,
     learning_rate_decay_a=1e-5,
     learning_rate_decay_b=0.25, )
diff --git a/demo/sequence_tagging/rnn_crf.py b/demo/sequence_tagging/rnn_crf.py
index b9b41b2433461eb1bfb309659834661c2ae43253..937a34df103663ecf0f0827bbfb9d82823c9b902 100644
--- a/demo/sequence_tagging/rnn_crf.py
+++ b/demo/sequence_tagging/rnn_crf.py
@@ -27,7 +27,7 @@ settings(
     learning_method=MomentumOptimizer(),
     batch_size=batch_size,
     regularization=L2Regularization(batch_size * 1e-5),
-    average_window=0.5,
+    model_average=ModelAverage(0.5),
     learning_rate=2e-3,
     learning_rate_decay_a=5e-7,
     learning_rate_decay_b=0.5, )