diff --git a/src/pngimage.cpp b/src/pngimage.cpp
index 0a52b814..67c316d7 100644
--- a/src/pngimage.cpp
+++ b/src/pngimage.cpp
@@ -47,6 +47,7 @@ EXIV2_RCSID("@(#) $Id$")
 
 // + standard includes
 #include <string>
+#include <iterator>
 #include <cstring>
 #include <iostream>
 #include <cassert>