diff --git a/src/hardware/hw_md2.c b/src/hardware/hw_md2.c
index 5d156e1d5..3dc434709 100644
--- a/src/hardware/hw_md2.c
+++ b/src/hardware/hw_md2.c
@@ -26,6 +26,7 @@
 #include <string.h>
 #include <math.h>
 
+#include "../d_main.h"
 #include "../doomdef.h"
 #include "../doomstat.h"