diff --git a/nuttx-configs/px4fmu-v1/nsh/defconfig b/nuttx-configs/px4fmu-v1/nsh/defconfig
index 1d13986d48..a5979937a6 100644
--- a/nuttx-configs/px4fmu-v1/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v1/nsh/defconfig
@@ -578,7 +578,7 @@ CONFIG_BOARD_LOOPSPERMSEC=16717
 CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
 CONFIG_ARCH_HAVE_HIPRI_INTERRUPT=y
 # CONFIG_ARCH_HIPRI_INTERRUPT is not set
-CONFIG_ARCH_INTERRUPTSTACK=670
+CONFIG_ARCH_INTERRUPTSTACK=750
 
 #
 # Boot options