diff --git a/deepspeech/decoders/scorers/ctc.py b/deepspeech/decoders/scorers/ctc.py
index 4871d6e1..36b4bfd3 100644
--- a/deepspeech/decoders/scorers/ctc.py
+++ b/deepspeech/decoders/scorers/ctc.py
@@ -15,8 +15,8 @@
 import numpy as np
 import paddle
 
-from .ctc_prefix_score import CTCPrefixScore
-from .ctc_prefix_score import CTCPrefixScorePD
+from .ctc_prefix_score import CTCPrefixScorer
+from .ctc_prefix_score import CTCPrefixScorerPD
 from .scorer_interface import BatchPartialScorerInterface
 
 
diff --git a/deepspeech/decoders/scorers/ctc_prefix_score.py b/deepspeech/decoders/scorers/ctc_prefix_score.py
index c85d546d..5f568c81 100644
--- a/deepspeech/decoders/scorers/ctc_prefix_score.py
+++ b/deepspeech/decoders/scorers/ctc_prefix_score.py
@@ -6,7 +6,7 @@ import paddle
 import six
 
 
-class CTCPrefixScorePD():
+class CTCPrefixScorerPD():
     """Batch processing of CTCPrefixScore
 
     which is based on Algorithm 2 in WATANABE et al.
@@ -267,7 +267,7 @@ class CTCPrefixScorePD():
             return (r_prev_new, s_prev, f_min_prev, f_max_prev)
 
 
-class CTCPrefixScore():
+class CTCPrefixScorer():
     """Compute CTC label sequence scores
 
     which is based on Algorithm 2 in WATANABE et al.