diff --git a/examples/gnrc_lorawan/Makefile b/examples/gnrc_lorawan/Makefile
index 6834583cd0..e26cf131ff 100644
--- a/examples/gnrc_lorawan/Makefile
+++ b/examples/gnrc_lorawan/Makefile
@@ -37,10 +37,12 @@ CFLAGS += -DLORAMAC_APP_EUI_DEFAULT=\{0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,
 CFLAGS += -DLORAMAC_DEV_EUI_DEFAULT=\{0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\}
 
 # Uncomment and replace with proper keys for joining with ABP
+# For TTN, It's necessary to set the RX2 DR to 3
 # NOTE: This values will be overriten in case of OTAA.
 #CFLAGS += -DLORAMAC_DEV_ADDR_DEFAULT=\{0x00\,0x00\,0x00\,0x00\}
 #CFLAGS += -DLORAMAC_NWK_SKEY_DEFAULT=\{0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\}
 #CFLAGS += -DLORAMAC_APP_SKEY_DEFAULT=\{0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\,0x00\}
+#CFLAGS += -DLORAMAC_DEFAULT_RX2_DR=LORAMAC_DR_3
 
 # Comment/uncomment as necessary
 CFLAGS += -DLORAMAC_DEFAULT_JOIN_PROCEDURE=LORAMAC_JOIN_OTAA
@@ -51,9 +53,6 @@ CFLAGS += -DLORAMAC_DEFAULT_JOIN_PROCEDURE=LORAMAC_JOIN_OTAA
 # Note this value is also used for the OTAA.
 #CFLAGS += -DLORAMAC_DEFAULT_DR=LORAMAC_DR_5
 
-# Set the default RX2 datarate to DR3 (used by The Things Network)
-CFLAGS += -DLORAMAC_DEFAULT_RX2_DR=LORAMAC_DR_3
-
 # Set default messages to unconfirmable
 CFLAGS += -DLORAMAC_DEFAULT_TX_MODE=LORAMAC_TX_CNF