diff --git a/test/indirect_iterator_test.cpp b/test/indirect_iterator_test.cpp
index 7250651..4ed9205 100644
--- a/test/indirect_iterator_test.cpp
+++ b/test/indirect_iterator_test.cpp
@@ -24,6 +24,7 @@
 #include <boost/concept_check.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/utility.hpp>
+#include <boost/next_prior.hpp>
 
 #include <boost/mpl/has_xxx.hpp>