diff --git a/nuttx-configs/px4fmu-v1/nsh/defconfig b/nuttx-configs/px4fmu-v1/nsh/defconfig
index fd3934c91d..af88860c11 100644
--- a/nuttx-configs/px4fmu-v1/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v1/nsh/defconfig
@@ -328,7 +328,7 @@ CONFIG_DRAM_START=0x20000000
 CONFIG_DRAM_SIZE=196608
 CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
 # The actual usage is 420 bytes
-CONFIG_ARCH_INTERRUPTSTACK=600
+CONFIG_ARCH_INTERRUPTSTACK=750
 
 #
 # Boot options