diff --git a/src/hashset.hpp b/src/hashset.hpp
index b6d6934b..9ea2d3fa 100644
--- a/src/hashset.hpp
+++ b/src/hashset.hpp
@@ -74,7 +74,7 @@ public:
   {
     uint64_t hashval;
     size_t size;
-    str_set_itr itr;
+    u64_set_itr itr;
 
     size = u64_set_size(&_u64_set);
     itr = u64_set_get_or_insert(&_u64_set,hashval);