diff --git a/evaluate.py b/evaluate.py
index fd6b45ec..417e1f04 100755
--- a/evaluate.py
+++ b/evaluate.py
@@ -117,7 +117,8 @@ def evaluate(test_data, inference_graph, alphabet):
         sparse_labels = tf.cast(ctc_label_dense_to_sparse(labels_ph, label_lengths_ph, FLAGS.test_batch_size), tf.int32)
         loss = tf.nn.ctc_loss(labels=sparse_labels,
                               inputs=layers['raw_logits'],
-                              sequence_length=inputs['input_lengths'])
+                              sequence_length=inputs['input_lengths'],
+                              ignore_longer_outputs_than_inputs=True)
 
         # Create a saver using variables from the above newly created graph
         mapping = {v.op.name: v for v in tf.global_variables() if not v.op.name.startswith('previous_state_')}