diff --git a/nuttx-configs/auav-x21/nsh/defconfig b/nuttx-configs/auav-x21/nsh/defconfig
index efa5e790ef..d7a35150da 100644
--- a/nuttx-configs/auav-x21/nsh/defconfig
+++ b/nuttx-configs/auav-x21/nsh/defconfig
@@ -606,7 +606,7 @@ CONFIG_BOARD_LOOPSPERMSEC=16717
 # Interrupt options
 #
 CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
-CONFIG_ARCH_INTERRUPTSTACK=670
+CONFIG_ARCH_INTERRUPTSTACK=750
 CONFIG_ARCH_HAVE_HIPRI_INTERRUPT=y
 CONFIG_ARCH_HIPRI_INTERRUPT=y