diff --git a/examples/ttn-abp/ttn-abp.ino b/examples/ttn-abp/ttn-abp.ino
index bedd2c7a..7c3d4156 100644
--- a/examples/ttn-abp/ttn-abp.ino
+++ b/examples/ttn-abp/ttn-abp.ino
@@ -210,10 +210,10 @@ void setup() {
     uint8_t nwkskey[sizeof(NWKSKEY)];
     memcpy_P(appskey, APPSKEY, sizeof(APPSKEY));
     memcpy_P(nwkskey, NWKSKEY, sizeof(NWKSKEY));
-    LMIC_setSession (0x1, DEVADDR, nwkskey, appskey);
+    LMIC_setSession (0x13, DEVADDR, nwkskey, appskey);
     #else
     // If not running an AVR with PROGMEM, just use the arrays directly
-    LMIC_setSession (0x1, DEVADDR, NWKSKEY, APPSKEY);
+    LMIC_setSession (0x13, DEVADDR, NWKSKEY, APPSKEY);
     #endif
 
     #if defined(CFG_eu868)
diff --git a/examples/ttn-otaa/ttn-otaa.ino b/examples/ttn-otaa/ttn-otaa.ino
index acf3f4ed..186efae6 100644
--- a/examples/ttn-otaa/ttn-otaa.ino
+++ b/examples/ttn-otaa/ttn-otaa.ino
@@ -147,8 +147,8 @@ void onEvent (ev_t ev) {
             if (LMIC.txrxFlags & TXRX_ACK)
               Serial.println(F("Received ack"));
             if (LMIC.dataLen) {
-              Serial.println(F("Received "));
-              Serial.println(LMIC.dataLen);
+              Serial.print(F("Received "));
+              Serial.print(LMIC.dataLen);
               Serial.println(F(" bytes of payload"));
             }
             // Schedule next transmission