diff --git a/src/libmsc/Makefile.am b/src/libmsc/Makefile.am
index 16154ff..4726bbe 100644
--- a/src/libmsc/Makefile.am
+++ b/src/libmsc/Makefile.am
@@ -30,6 +30,7 @@
 	db.c \
 	gsm_04_08.c \
 	gsm_04_11.c \
+	gsm_04_14.c \
 	gsm_04_80.c \
 	gsm_subscriber.c \
 	iucs.c \