diff --git a/boards/px4/fmu-v6x/zenoh.px4board b/boards/px4/fmu-v6x/zenoh.px4board
index cb14fde935..4cd6071e6d 100644
--- a/boards/px4/fmu-v6x/zenoh.px4board
+++ b/boards/px4/fmu-v6x/zenoh.px4board
@@ -1,4 +1,5 @@
 # CONFIG_BOARD_UAVCAN_TIMER_OVERRIDE is not set
 CONFIG_DRIVERS_UAVCAN=n
 CONFIG_MODULES_UXRCE_DDS_CLIENT=n
+CONFIG_BOARD_CONSTRAINED_FLASH=y
 CONFIG_MODULES_ZENOH=y