diff --git a/openbsc/src/libmsc/mncc_builtin.c b/openbsc/src/libmsc/mncc_builtin.c
index 617cbf2..be35454 100644
--- a/openbsc/src/libmsc/mncc_builtin.c
+++ b/openbsc/src/libmsc/mncc_builtin.c
@@ -43,7 +43,7 @@
 static uint32_t new_callref = 0x00000001;
 
 struct mncc_int mncc_int = {
-	.def_codec = { GSM48_CMODE_SPEECH_EFR, GSM48_CMODE_SPEECH_V1 },
+	.def_codec = { GSM48_CMODE_SPEECH_V1, GSM48_CMODE_SPEECH_V1 },
 };
 
 static void free_call(struct gsm_call *call)