diff --git a/include/boost/algorithm/is_palindrome.hpp b/include/boost/algorithm/is_palindrome.hpp
index 0080e60..d341eb7 100644
--- a/include/boost/algorithm/is_palindrome.hpp
+++ b/include/boost/algorithm/is_palindrome.hpp
@@ -16,6 +16,7 @@
 #define BOOST_ALGORITHM_IS_PALINDROME_HPP
 
 #include <iterator>
+#include <functional>
 
 #include <boost/range/begin.hpp>
 #include <boost/range/end.hpp>
diff --git a/test/is_palindrome_test.cpp b/test/is_palindrome_test.cpp
index b9279c9..2c0f67a 100644
--- a/test/is_palindrome_test.cpp
+++ b/test/is_palindrome_test.cpp
@@ -42,7 +42,7 @@ struct functorComparator
 void test_is_palindrome()
 {
     const std::list<int> empty;
-    const std::vector<char> singleElement{'z'};
+    const std::vector<char> singleElement(1, 'z');
     int oddNonPalindrome[] = {3,2,2};
     const int oddPalindrome[] = {1,2,3,2,1};
     const int evenPalindrome[] = {1,2,2,1};