1 files changed, 1 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 6f997f3..1cf72bc 100644
--- a/Makefile
+++ b/Makefile
@@ -227,6 +227,7 @@ iup_getparam.c \
 iup_sbox.c \
 iup_normalizer.c \
 iup_tree.c \
+iup_oldmask.c \
 iupmot_common.c \
 iupmot_color.c \
 iupmot_focus.c \