diff --git a/.gitlab-ci-custom.yml b/.gitlab-ci-custom.yml
index 14cbcd4a76f71a4f88f6cb79fdbb8608a1d340f6..6021e7381788d017c610776e353dd7de9c4a7551 100644
--- a/.gitlab-ci-custom.yml
+++ b/.gitlab-ci-custom.yml
@@ -48,7 +48,7 @@ rock-pi-4:
     - make rock-pi-4-rk3399_defconfig
     - make -j$(nproc)
     - git clone --depth 1 https://github.com/rockchip-linux/rkbin.git
-    - (cd rkbin && mkimage -n rk3399 -T rksd -d bin/rk33/rk3399_ddr_800MHz_*.bin idbloader.img && cat bin/rk33/rk3399_miniloader_v*.bin >> idbloader.img
+    - (cd rkbin && mkimage -n rk3399 -T rksd -d bin/rk33/rk3399_ddr_800MHz_*.bin idbloader.img && cat bin/rk33/rk3399_miniloader_v*.bin >> idbloader.img)
     - (cd rkbin && ./tools/loaderimage --pack --uboot ../u-boot-dtb.bin uboot.img 0x200000 --size 1024 1)
     - (cd rkbin && ./tools/trust_merger --size 1024 1 RKTRUST/RK3399TRUST.ini)
   artifacts: