diff --git a/channels/chan_dect.c b/channels/chan_dect.c
index 737074ef5..0343c3538 100644
--- a/channels/chan_dect.c
+++ b/channels/chan_dect.c
@@ -452,7 +452,7 @@ static int dect_db_parse_codec_list(struct dect_pt *pt, const char *key,
 		cl = pt->codec_list;
 	}
 
-	tmp = strchr(val, '_');
+	tmp = strchr(key, '_');
 	if (tmp == NULL)
 		return -1;
 	strncpy(num, tmp + 1, sizeof(num));
@@ -469,6 +469,9 @@ static int dect_db_parse_codec_list(struct dect_pt *pt, const char *key,
 		cl->entry[i].cplane = dect_parse_num(val);
 	else
 		return -1;
+
+	if (i + 1 > cl->num)
+		cl->num = i + 1;
 	return 0;
 }