diff --git a/libraries/Network/src/NetworkUdp.cpp b/libraries/Network/src/NetworkUdp.cpp
index 51579910ded..e860edfb5c9 100644
--- a/libraries/Network/src/NetworkUdp.cpp
+++ b/libraries/Network/src/NetworkUdp.cpp
@@ -291,7 +291,9 @@ size_t NetworkUDP::write(const uint8_t *buffer, size_t size) {
 }
 
 void NetworkUDP::flush() {
-  clear();
+    clear();
+    /* Reset tx buffer length */
+    tx_buffer_len = 0;
 }
 
 int NetworkUDP::parsePacket() {