diff --git a/src/Makefile.am b/src/Makefile.am
index 5d97b6d..2324831 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -23,6 +23,6 @@
 remsim_bankd_LDADD = $(OSMOCORE_LIBS) \
 		     $(ASN1C_LIBS) $(PCSC_LIBS) libosmo-rspro.la
 
-remsim_client_SOURCES = remsim_client.c
+remsim_client_SOURCES = remsim_client.c remsim_client_fsm.c
 remsim_client_LDADD = $(OSMOCORE_LIBS) $(OSMOGSM_LIBS) $(OSMOABIS_LIBS) \
 		     $(ASN1C_LIBS) libosmo-rspro.la