diff --git a/boards/px4/fmu-v6x/nuttx-config/stackcheck/defconfig b/boards/px4/fmu-v6x/nuttx-config/stackcheck/defconfig
index 86369b4d9f..20382da6a6 100644
--- a/boards/px4/fmu-v6x/nuttx-config/stackcheck/defconfig
+++ b/boards/px4/fmu-v6x/nuttx-config/stackcheck/defconfig
@@ -157,6 +157,7 @@ CONFIG_SCHED_HPWORK=y
 CONFIG_SCHED_HPWORKPRIORITY=249
 CONFIG_SCHED_HPWORKSTACKSIZE=1280
 CONFIG_SCHED_INSTRUMENTATION=y
+CONFIG_SCHED_INSTRUMENTATION_EXTERNAL=y
 CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_LPWORKPRIORITY=50
 CONFIG_SCHED_LPWORKSTACKSIZE=1632