diff --git a/CHANGES.current b/CHANGES.current
index 56a385d57..bd601bee7 100644
--- a/CHANGES.current
+++ b/CHANGES.current
@@ -1,6 +1,10 @@
 Version 1.3.37 (in progress)
 =============================
 
+2008-09-01: wsfulton
+            [C#] Correct array bounds checking in std::vector typemaps - Insert and InsertRange
+            methods.
+
 2008-08-02: wuzzeb
             [Chicken,Allegro] Commit Patch 2019314
             Fixes a build error in chicken, and several build errors and other errors
diff --git a/Lib/csharp/std_vector.i b/Lib/csharp/std_vector.i
index a04831f75..2e4d47c00 100755
--- a/Lib/csharp/std_vector.i
+++ b/Lib/csharp/std_vector.i
@@ -231,14 +231,14 @@
         return new std::vector<CTYPE >(self->begin()+index, self->begin()+index+count);
       }
       void Insert(int index, const value_type& x) throw (std::out_of_range) {
-        if (index>=0 && index<(int)self->size()+1)
+        if (index>=0 && index<(int)self->size())
           self->insert(self->begin()+index, x);
         else
           throw std::out_of_range("index");
       }
       // Takes a deep copy of the elements unlike ArrayList.InsertRange
       void InsertRange(int index, const std::vector<CTYPE >& values) throw (std::out_of_range) {
-        if (index>=0 && index<(int)self->size()+1)
+        if (index>=0 && index<(int)self->size())
           self->insert(self->begin()+index, values.begin(), values.end());
         else
           throw std::out_of_range("index");