diff --git a/radio/src/targets/taranis/board_taranis.h b/radio/src/targets/taranis/board_taranis.h
index 451ae28fc..d9ca59219 100644
--- a/radio/src/targets/taranis/board_taranis.h
+++ b/radio/src/targets/taranis/board_taranis.h
@@ -401,7 +401,9 @@ void checkTrainerSettings(void);
 #if defined(__cplusplus)
 #include "fifo.h"
 #include "dmafifo.h"
-extern Fifo<uint8_t, 64> telemetryFifo;
+
+#define TELEMETRY_FIFO_SIZE 64
+extern Fifo<uint8_t, TELEMETRY_FIFO_SIZE> telemetryFifo;
 extern DMAFifo<32> serial2RxFifo;
 extern Fifo<uint8_t, 32> sbusFifo;
 #endif
diff --git a/radio/src/targets/taranis/telemetry_driver.cpp b/radio/src/targets/taranis/telemetry_driver.cpp
index ddb130bb9..6fb803812 100644
--- a/radio/src/targets/taranis/telemetry_driver.cpp
+++ b/radio/src/targets/taranis/telemetry_driver.cpp
@@ -20,7 +20,7 @@
 
 #include "opentx.h"
 
-Fifo<uint8_t, 64> telemetryFifo;
+Fifo<uint8_t, TELEMETRY_FIFO_SIZE> telemetryFifo;
 uint32_t telemetryErrors = 0;
 
 void telemetryPortInit(uint32_t baudrate)