diff --git a/src/sx1301conf.c b/src/sx1301conf.c
index bca649c..fe62351 100644
--- a/src/sx1301conf.c
+++ b/src/sx1301conf.c
@@ -193,7 +193,8 @@ static void parse_sx1301_conf (ujdec_t* D, struct sx1301conf* sx1301conf) {
             break;
         }
         case J_clksrc: {
             sx1301conf->boardconf.clksrc = uj_intRange(D, 0, LGW_RF_CHAIN_NB-1);
+            sx1301conf->boardconf.clksrc = 0;
             break;
         }
         case J_tx_gain_lut: {