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-rw-r--r--decoder/bottom_up_parser.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/decoder/bottom_up_parser.cc b/decoder/bottom_up_parser.cc
index 2d945222..9504419c 100644
--- a/decoder/bottom_up_parser.cc
+++ b/decoder/bottom_up_parser.cc
@@ -188,7 +188,7 @@ void PassiveChart::ApplyRule(const int i,
new_edge->i_ = i;
new_edge->j_ = j;
new_edge->feature_values_ = r->GetFeatureValues();
- if (lattice_cost)
+ if (lattice_cost && lc_fid_)
new_edge->feature_values_.set_value(lc_fid_, lattice_cost);
Cat2NodeMap& c2n = nodemap_(i,j);
const bool is_goal = (r->GetLHS() == kGOAL);