diff --git a/ESP32_AP-Flasher/src/udp.cpp b/ESP32_AP-Flasher/src/udp.cpp
index d7f6f5d6..64f080c9 100644
--- a/ESP32_AP-Flasher/src/udp.cpp
+++ b/ESP32_AP-Flasher/src/udp.cpp
@@ -7,6 +7,7 @@
 #include "tag_db.h"
 #include "web.h"
 #include "serialap.h"
+#include "udp.h"
 
 #define UDPIP IPAddress(239, 10, 0, 1)
 #define UDPPORT 16033
@@ -163,4 +164,4 @@ void UDPcomm::netSendDataAvail(struct pendingData* pending) {
     buffer[0] = PKT_AVAIL_DATA_REQ;
     memcpy(buffer + 1, pending, sizeof(struct pendingData));
     udp.writeTo(buffer, sizeof(buffer), UDPIP, UDPPORT);
-}
\ No newline at end of file
+}