diff --git a/.github/workflows/openwrt-ci.yml b/.github/workflows/openwrt-ci.yml
index f9b474286..ec612a43f 100644
--- a/.github/workflows/openwrt-ci.yml
+++ b/.github/workflows/openwrt-ci.yml
@@ -57,7 +57,7 @@ jobs:
           CONFIG_TARGET_DEVICE_rockchip_armv8_DEVICE_friendlyarm_nanopi-r2s=y
           CONFIG_TARGET_DEVICE_rockchip_armv8_DEVICE_friendlyarm_nanopi-r4s=y
           CONFIG_TARGET_KERNEL_PARTSIZE=64
-          CONFIG_TARGET_ROOTFS_PARTSIZE=1028
+          CONFIG_TARGET_ROOTFS_PARTSIZE=512
           CONFIG_TARGET_ROOTFS_TARGZ=y
           CONFIG_TARGET_ROOTFS_EXT4FS=y
           CONFIG_TARGET_ROOTFS_SQUASHFS=y