diff --git a/compiler/cpp/src/generate/t_oop_generator.h b/compiler/cpp/src/generate/t_oop_generator.h
index 3150954..46fb8fb 100644
--- a/compiler/cpp/src/generate/t_oop_generator.h
+++ b/compiler/cpp/src/generate/t_oop_generator.h
@@ -10,6 +10,8 @@
 #include "globals.h"
 #include "t_generator.h"
 
+#include <algorithm>
+
 /**
  * Class with utility methods shared across common object oriented languages.
  * Specifically, most of this stuff is for C++/Java.