diff --git a/boards/px4/fmu-v5/nuttx-config/debug/defconfig b/boards/px4/fmu-v5/nuttx-config/debug/defconfig
index 3f1d04d499..4b466cd5bc 100644
--- a/boards/px4/fmu-v5/nuttx-config/debug/defconfig
+++ b/boards/px4/fmu-v5/nuttx-config/debug/defconfig
@@ -123,7 +123,7 @@ CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_I2C=y
 CONFIG_I2C_RESET=y
-CONFIG_IDLETHREAD_STACKSIZE=750
+CONFIG_IDLETHREAD_STACKSIZE=800
 CONFIG_LIBC_FLOATINGPOINT=y
 CONFIG_LIBC_LONG_LONG=y
 CONFIG_LIBC_STRERROR=y
@@ -175,7 +175,7 @@ CONFIG_RTC_DATETIME=y
 CONFIG_SCHED_ATEXIT=y
 CONFIG_SCHED_HPWORK=y
 CONFIG_SCHED_HPWORKPRIORITY=249
-CONFIG_SCHED_HPWORKSTACKSIZE=1280
+CONFIG_SCHED_HPWORKSTACKSIZE=1300
 CONFIG_SCHED_INSTRUMENTATION=y
 CONFIG_SCHED_INSTRUMENTATION_EXTERNAL=y
 CONFIG_SCHED_LPWORK=y
diff --git a/boards/px4/fmu-v5/nuttx-config/stackcheck/defconfig b/boards/px4/fmu-v5/nuttx-config/stackcheck/defconfig
index 1f4dc2eaf4..e78d7ff676 100644
--- a/boards/px4/fmu-v5/nuttx-config/stackcheck/defconfig
+++ b/boards/px4/fmu-v5/nuttx-config/stackcheck/defconfig
@@ -80,7 +80,7 @@ CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_I2C=y
 CONFIG_I2C_RESET=y
-CONFIG_IDLETHREAD_STACKSIZE=750
+CONFIG_IDLETHREAD_STACKSIZE=800
 CONFIG_LIBC_FLOATINGPOINT=y
 CONFIG_LIBC_LONG_LONG=y
 CONFIG_LIBC_STRERROR=y