diff --git a/openbsc/src/libbsc/bts_hsl_femtocell.c b/openbsc/src/libbsc/bts_hsl_femtocell.c
index 9bbf6d2..7264a21 100644
--- a/openbsc/src/libbsc/bts_hsl_femtocell.c
+++ b/openbsc/src/libbsc/bts_hsl_femtocell.c
@@ -156,7 +156,7 @@
 	gsm_btsmodel_set_feature(&model_hslfemto, BTS_FEAT_GPRS);
 	gsm_btsmodel_set_feature(&model_hslfemto, BTS_FEAT_EGPRS);
 
-	register_signal_handler(SS_INPUT, inp_sig_cb, NULL);
+	osmo_signal_register_handler(SS_INPUT, inp_sig_cb, NULL);
 
 	return gsm_bts_model_register(&model_hslfemto);
 }