diff --git a/src/commands/CmdHelp.cpp b/src/commands/CmdHelp.cpp
index 248735f2e..70b0ae488 100644
--- a/src/commands/CmdHelp.cpp
+++ b/src/commands/CmdHelp.cpp
@@ -25,6 +25,7 @@
 //
 ////////////////////////////////////////////////////////////////////////////////
 
+#include <algorithm>
 #include <CmdHelp.h>
 #include <ViewText.h>
 #include <Context.h>