1 files changed, 1 insertions, 0 deletions
diff --git a/mteval/ns_ter.h b/mteval/ns_ter.h
index bb90f95e..6c020cfa 100644
--- a/mteval/ns_ter.h
+++ b/mteval/ns_ter.h
@@ -9,6 +9,7 @@ class TERMetric : public EvaluationMetric {
   TERMetric() : EvaluationMetric("TER") {}
 
  public:
+  virtual unsigned SufficientStatisticsVectorSize() const;
   virtual void ComputeSufficientStatistics(const std::vector<WordID>& hyp,
                                            const std::vector<std::vector<WordID> >& refs,
                                            SufficientStats* out) const;