diff --git a/src/Prep/GDALChop/gdalchop.cxx b/src/Prep/GDALChop/gdalchop.cxx
index 78bb7e3a..cfd87886 100644
--- a/src/Prep/GDALChop/gdalchop.cxx
+++ b/src/Prep/GDALChop/gdalchop.cxx
@@ -22,6 +22,8 @@
 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 //
 
+#include <algorithm>
+
 #include <simgear/compiler.h>
 #include <simgear/bucket/newbucket.hxx>
 #include <simgear/debug/logstream.hxx>