diff --git a/ortools/util/java/sorted_interval_list.i b/ortools/util/java/sorted_interval_list.i
index 88125ef9b1..806b20e3d6 100644
--- a/ortools/util/java/sorted_interval_list.i
+++ b/ortools/util/java/sorted_interval_list.i
@@ -34,12 +34,18 @@
 %ignore operations_research::SortedDisjointIntervalList::SortedDisjointIntervalList(const std::vector<ClosedInterval>&);
 %unignore operations_research::SortedDisjointIntervalList::~SortedDisjointIntervalList;
 
-%rename (insertInterval) operations_research::SortedDisjointIntervalList::InsertInterval;
+//%rename (insertInterval) operations_research::SortedDisjointIntervalList::InsertInterval;
 %rename (insertIntervals) operations_research::SortedDisjointIntervalList::InsertIntervals;
 %rename (numIntervals) operations_research::SortedDisjointIntervalList::NumIntervals;
 %rename (buildComplementOnInterval) operations_research::SortedDisjointIntervalList::BuildComplementOnInterval;
 %rename (toString) operations_research::SortedDisjointIntervalList::DebugString;
 
+%extend operations_research::SortedDisjointIntervalList {
+  void insertInterval(int64_t start, int64_t end) {
+    $self->InsertInterval(start, end);
+  }
+}
+
 // Make the SWIG-generated constructor public.
 // This is necessary as it will be called from the sat package.
 SWIG_JAVABODY_PROXY(/*PTRCTOR_VISIBILITY=*/public,