1 files changed, 3 insertions, 4 deletions
diff --git a/decoder/lexalign.cc b/decoder/lexalign.cc
index 11f20de7..dd529311 100644
--- a/decoder/lexalign.cc
+++ b/decoder/lexalign.cc
@@ -114,10 +114,9 @@ bool LexicalAlign::TranslateImpl(const string& input,
                       Hypergraph* forest) {
   Lattice& lattice = smeta->src_lattice_;
   LatticeTools::ConvertTextOrPLF(input, &lattice);
-  if (!lattice.IsSentence()) {
-    // lexical models make independence assumptions
-    // that don't work with lattices or conf nets
-    cerr << "LexicalTrans: cannot deal with lattice source input!\n";
+  smeta->ComputeInputLatticeType();
+  if (smeta->GetInputType() != cdec::kSEQUENCE) {
+    cerr << "LexicalTrans: cannot deal with non-sequence input!";
     abort();
   }
   smeta->SetSourceLength(lattice.size());