diff --git a/nuttx-configs/px4fmu-v1/nsh/defconfig b/nuttx-configs/px4fmu-v1/nsh/defconfig
index 2e82b8a2d9..7aa71f1826 100644
--- a/nuttx-configs/px4fmu-v1/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v1/nsh/defconfig
@@ -720,11 +720,11 @@ CONFIG_SCHED_WORKQUEUE=y
 CONFIG_SCHED_HPWORK=y
 CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=5000
-CONFIG_SCHED_WORKSTACKSIZE=4000
+CONFIG_SCHED_WORKSTACKSIZE=2000
 CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_LPWORKPRIORITY=50
 CONFIG_SCHED_LPWORKPERIOD=50000
-CONFIG_SCHED_LPWORKSTACKSIZE=4000
+CONFIG_SCHED_LPWORKSTACKSIZE=2000
 # CONFIG_LIB_KBDCODEC is not set
 # CONFIG_LIB_SLCDCODEC is not set
 
diff --git a/nuttx-configs/px4fmu-v2/nsh/defconfig b/nuttx-configs/px4fmu-v2/nsh/defconfig
index 0508726777..d42b23ab0b 100644
--- a/nuttx-configs/px4fmu-v2/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v2/nsh/defconfig
@@ -796,11 +796,11 @@ CONFIG_SCHED_WORKQUEUE=y
 CONFIG_SCHED_HPWORK=y
 CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=5000
-CONFIG_SCHED_WORKSTACKSIZE=4000
+CONFIG_SCHED_WORKSTACKSIZE=2000
 CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_LPWORKPRIORITY=50
 CONFIG_SCHED_LPWORKPERIOD=50000
-CONFIG_SCHED_LPWORKSTACKSIZE=4000
+CONFIG_SCHED_LPWORKSTACKSIZE=2000
 # CONFIG_LIB_KBDCODEC is not set
 # CONFIG_LIB_SLCDCODEC is not set