diff --git a/FunKey/board/funkey/rootfs-overlay/etc/fstab b/FunKey/board/funkey/rootfs-overlay/etc/fstab
index 315563e..f817cbd 100644
--- a/FunKey/board/funkey/rootfs-overlay/etc/fstab
+++ b/FunKey/board/funkey/rootfs-overlay/etc/fstab
@@ -3,7 +3,7 @@
 proc            /proc           proc    defaults        0       0
 devpts          /dev/pts        devpts  defaults,gid=5,mode=620,ptmxmode=0666   0       0
 tmpfs           /dev/shm        tmpfs   mode=0777       0       0
-tmpfs           /tmp            tmpfs   mode=1777       0       0
+tmpfs           /tmp            tmpfs   mode=1777,size=128m     0       0
 tmpfs           /run            tmpfs   mode=0755,nosuid,nodev  0       0
 sysfs           /sys            sysfs   defaults        0       0
 /dev/mmcblk0p3	none		swap	sw		0	0