--- a/pc/debugger/BaseD.cpp
+++ b/pc/debugger/BaseD.cpp
@@ -3,6 +3,9 @@
 #include "Menu_Bar.h"
 #include "File_System.h"
 #include "Instrument_Window.h"
+#include <algorithm>
+
+using namespace std;
 
 char BaseD::tmpbuf[500];