1 files changed, 1 insertions, 0 deletions
diff --git a/engine.c b/engine.c
index 0656f88f9..2e8d3130e 100644
--- a/engine.c
+++ b/engine.c
@@ -1,5 +1,6 @@
 #include "stdafx.h"
 #include "ttd.h"
+#include "debug.h"
 #include "table/strings.h"
 #include "engine.h"
 #include "table/engines.h"