1 files changed, 2 insertions, 2 deletions
diff --git a/decoder/hg.h b/decoder/hg.h
index 591e98ce..6d67f2fa 100644
--- a/decoder/hg.h
+++ b/decoder/hg.h
@@ -503,9 +503,9 @@ public:
 
   template <class V>
   void visit_edges_topo(V &v) {
-    for (int i = 0; i < nodes_.size(); ++i) {
+    for (unsigned i = 0; i < nodes_.size(); ++i) {
       EdgesVector const& in=nodes_[i].in_edges_;
-      for (int j=0;j<in.size();++j) {
+      for (unsigned j=0;j<in.size();++j) {
         int e=in[j];
         v(i,e,edges_[e]);
       }