diff --git a/src/Makefile.am b/src/Makefile.am
index 60fc479..ea5023d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -52,6 +52,7 @@
 	rand_urandom.c \
 	hlr_vty.c \
 	hlr_vty_subscr.c \
+	gsup_send.c \
 	$(NULL)
 
 osmo_hlr_LDADD = \