diff --git a/openbsc/src/libmsc/Makefile.am b/openbsc/src/libmsc/Makefile.am
index 1e58cd1..24db2c2 100644
--- a/openbsc/src/libmsc/Makefile.am
+++ b/openbsc/src/libmsc/Makefile.am
@@ -17,7 +17,7 @@
 			ussd.c \
 			vty_interface_layer3.c \
 			transaction.c \
-			osmo_msc.c
+			osmo_msc.c ctrl_commands.c
 
 if BUILD_SMPP
 noinst_HEADERS = smpp_smsc.h