diff --git a/openbsc/src/libmsc/gsm_04_08.c b/openbsc/src/libmsc/gsm_04_08.c
index 3cfc455..6360393 100644
--- a/openbsc/src/libmsc/gsm_04_08.c
+++ b/openbsc/src/libmsc/gsm_04_08.c
@@ -2876,6 +2876,7 @@
 	case MNCC_FRAME_RECV:
 		return tch_recv_mncc(net, data->callref, 1);
 	case GSM_TCHF_FRAME:
+	case GSM_TCHF_FRAME_EFR:
 		/* Find callref */
 		trans = trans_find_by_callref(net, data->callref);
 		if (!trans) {