diff --git a/src/hashset.hpp b/src/hashset.hpp
index 55f227bb..2b6c4dfd 100644
--- a/src/hashset.hpp
+++ b/src/hashset.hpp
@@ -51,7 +51,7 @@ public:
   {
     str_set_itr itr;
 
-    itr = str_set_insert(&_str_set,str_);
+    itr = str_set_get_or_insert(&_str_set,str_);
 
     
     int rv;