diff --git a/panda/src/putil/ordered_vector.I b/panda/src/putil/ordered_vector.I
index 85ba3bbbf6..e425c36018 100644
--- a/panda/src/putil/ordered_vector.I
+++ b/panda/src/putil/ordered_vector.I
@@ -850,7 +850,7 @@ insert(ordered_vector<Key, Compare>::iterator position,
 //  Description: Maps to insert_nonunique().
 ////////////////////////////////////////////////////////////////////
 template<class Key, class Compare>
-INLINE pair<ov_multiset<Key, Compare>::iterator, bool> ov_multiset<Key, Compare>::
+INLINE ov_multiset<Key, Compare>::iterator ov_multiset<Key, Compare>::
 insert(const ordered_vector<Key, Compare>::value_type &key) {
   return ordered_vector::insert_nonunique(key);
 }
diff --git a/panda/src/putil/ordered_vector.h b/panda/src/putil/ordered_vector.h
index c075e6347b..9dd21a476e 100644
--- a/panda/src/putil/ordered_vector.h
+++ b/panda/src/putil/ordered_vector.h
@@ -231,7 +231,7 @@ public:
   INLINE ov_multiset<Key, Compare> &operator = (const ov_multiset<Key, Compare> &copy);
 
   INLINE iterator insert(iterator position, const value_type &key);
-  INLINE pair<iterator, bool> insert(const value_type &key);
+  INLINE iterator insert(const value_type &key);
 
   INLINE void sort();
 };