diff --git a/nuttx-configs/px4fmu-v1/nsh/defconfig b/nuttx-configs/px4fmu-v1/nsh/defconfig
index 49ccfd41bc..d338161296 100644
--- a/nuttx-configs/px4fmu-v1/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v1/nsh/defconfig
@@ -328,7 +328,7 @@ CONFIG_BOARD_LOOPSPERMSEC=16717
 CONFIG_DRAM_START=0x20000000
 CONFIG_DRAM_SIZE=196608
 CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
-CONFIG_ARCH_INTERRUPTSTACK=0
+CONFIG_ARCH_INTERRUPTSTACK=2048
 
 #
 # Boot options