diff --git a/include/wx/vector.h b/include/wx/vector.h
index cf8e69c6e4..056202bcaa 100644
--- a/include/wx/vector.h
+++ b/include/wx/vector.h
@@ -180,7 +180,7 @@ public:
     wxVector(size_type size, const value_type& v)
         : m_size(0), m_capacity(0), m_values(NULL) 
     {
-        reserve(n);
+        reserve(size);
         for ( size_t n = 0; n < size; n++ )
             push_back(v);
     }