1 files changed, 1 insertions, 0 deletions

diff --git a/system.h b/system.h
index 37139e769b..95bb0026e9 100644
--- a/system.h
+++ b/system.h
@@ -138,6 +138,7 @@ enum {
 	GD_WIN32 = 2,
 	GD_X = 3,
 	GD_NULL = 4,
+	GD_MORPHOS = 5,
 };