diff --git a/src/Make_ami.mak b/src/Make_ami.mak
index c779914..4dc86dd 100644
--- a/src/Make_ami.mak
+++ b/src/Make_ami.mak
@@ -169,6 +169,7 @@
 	textobject.c \
 	textprop.c \
 	time.c \
+	tuple.c \
 	typval.c \
 	ui.c \
 	undo.c \