diff --git a/src/debug.cpp b/src/debug.cpp
--- a/src/debug.cpp
+++ b/src/debug.cpp
@@ -170,7 +170,7 @@ const char *GetDebugString()
 }
 
 #ifdef DEBUG_DUMP_COMMANDS
-#include "fileio.h"
+#include "fileio_func.h"
 
 void CDECL DebugDumpCommands(const char *s, ...)
 {