diff --git a/libraries/AP_Hott_Telem/AP_Hott_Telem.h b/libraries/AP_Hott_Telem/AP_Hott_Telem.h
index 30ca93c5dd..807029d488 100644
--- a/libraries/AP_Hott_Telem/AP_Hott_Telem.h
+++ b/libraries/AP_Hott_Telem/AP_Hott_Telem.h
@@ -17,7 +17,7 @@
 #include <AP_HAL/AP_HAL.h>
 
 #ifndef HAL_HOTT_TELEM_ENABLED
-#define HAL_HOTT_TELEM_ENABLED 1
+#define HAL_HOTT_TELEM_ENABLED BOARD_FLASH_SIZE > 2048
 #endif
 
 #if HAL_HOTT_TELEM_ENABLED