diff --git a/openbsc/src/libbsc/bts_ericsson_rbs2000.c b/openbsc/src/libbsc/bts_ericsson_rbs2000.c
index 1300b4a..faf6f05 100644
--- a/openbsc/src/libbsc/bts_ericsson_rbs2000.c
+++ b/openbsc/src/libbsc/bts_ericsson_rbs2000.c
@@ -71,6 +71,8 @@
 			continue;
 
 		llist_for_each_entry(link, &ts->sign.sign_links, list) {
+			if (!ts->lapd)
+				continue;
 			lapd_instance_set_profile(ts->lapd,
 						  &lapd_profile_abis_ericsson);