diff --git a/micropython/lora/lora-sync/lora/sync_modem.py b/micropython/lora/lora-sync/lora/sync_modem.py
index 27c2f19d1..585ae2cb4 100644
--- a/micropython/lora/lora-sync/lora/sync_modem.py
+++ b/micropython/lora/lora-sync/lora/sync_modem.py
@@ -42,8 +42,8 @@ def send(self, packet, tx_at_ms=None):
 
         tx = True
         while tx is True:
-            tx = self.poll_send()
             self._sync_wait(will_irq)
+            tx = self.poll_send()
         return tx
 
     def recv(self, timeout_ms=None, rx_length=0xFF, rx_packet=None):