diff --git a/modules/geom/src/composite3.cc b/modules/geom/src/composite3.cc
index 347629d2c059cd3be0ecdef523ab65363e20adb3..3813fb668c31f0b52f7a03d5388de12857a45b1a 100644
--- a/modules/geom/src/composite3.cc
+++ b/modules/geom/src/composite3.cc
@@ -19,6 +19,7 @@
 #include <sstream>
 #include <iomanip>
 #include <limits>
+#include <algorithm>
 
 #include <boost/filesystem/fstream.hpp>