diff --git a/native_client/ctcdecode/third_party/openfst-1.6.7/src/include/fst/symbol-table.h b/native_client/ctcdecode/third_party/openfst-1.6.7/src/include/fst/symbol-table.h
index 75f28ea9..713777cf 100644
--- a/native_client/ctcdecode/third_party/openfst-1.6.7/src/include/fst/symbol-table.h
+++ b/native_client/ctcdecode/third_party/openfst-1.6.7/src/include/fst/symbol-table.h
@@ -196,7 +196,7 @@ class SymbolTableImpl {
   std::vector<int64> idx_key_;
   // Maps key to index for key >= dense_key_limit_.
   //  index = key_map_[key]
-  map<int64, int64> key_map_;
+  std::map<int64, int64> key_map_;
 
   mutable bool check_sum_finalized_;
   mutable string check_sum_string_;