avoid Assign() in EvaluateWhenApplied (in preparation for Matthias' changes)

1 files changed, 2 insertions, 1 deletions

diff --git a/moses/LM/BilingualLM.cpp b/moses/LM/BilingualLM.cpp
index 55dee58e4..118b24aab 100644
--- a/moses/LM/BilingualLM.cpp
+++ b/moses/LM/BilingualLM.cpp
@@ -465,7 +465,8 @@ FFState* BilingualLM::EvaluateWhenApplied(
   }
   size_t new_state = getStateChart(neuralLMids);
 
-  accumulator->Assign(this, value);
+  accumulator->PlusEquals(this, -accumulator->GetScoreForProducer(this));
+  accumulator->PlusEquals(this, value);
 
   return new BilingualLMState(new_state, alignments, neuralLMids);
 }