diff --git a/.github/workflows/mikrotik_patch.yml b/.github/workflows/mikrotik_patch.yml
index 4aa61c4..b7215b4 100644
--- a/.github/workflows/mikrotik_patch.yml
+++ b/.github/workflows/mikrotik_patch.yml
@@ -332,7 +332,7 @@ jobs:
           sudo qemu-nbd -c /dev/nbd1 -f raw chr.img
           sudo mkdir -p ./chr/boot
           sudo mount /dev/nbd1p1 ./chr/boot/
-          sudo -E python3 patch.py kernel ./chr/boot/EFI/BOOT/BOOTAA64.EFI ./BOOTAA64.EFI 
+          sudo -E python3 patch.py kernel ./chr/boot/EFI/BOOT/BOOTAA64.EFI -O ./BOOTAA64.EFI 
           sudo mkdir -p  ./img/boot/EFI/BOOT
           sudo cp ./BOOTAA64.EFI ./img/boot/EFI/BOOT/BOOTAA64.EFI
           sudo umount /dev/nbd1p1
diff --git a/patch.py b/patch.py
index ad4f478..fdc5e71 100644
--- a/patch.py
+++ b/patch.py
@@ -137,13 +137,13 @@ if __name__ == '__main__':
     subparsers = parser.add_subparsers(dest="command")
     npk_parser = subparsers.add_parser('npk',help='patch and sign npk file')
     npk_parser.add_argument('input',type=str, help='Input file')
-    npk_parser.add_argument('-o','--output',type=str,help='Output file')
+    npk_parser.add_argument('-O','--output',type=str,help='Output file')
     kernel_parser = subparsers.add_parser('kernel',help='patch kernel file')
     kernel_parser.add_argument('input',type=str, help='Input file')
-    kernel_parser.add_argument('-o','--output',type=str,help='Output file')
+    kernel_parser.add_argument('-O','--output',type=str,help='Output file')
     netinstall_parser = subparsers.add_parser('netinstall',help='patch netinstall file')
     netinstall_parser.add_argument('input',type=str, help='Input file')
-    netinstall_parser.add_argument('-o','--output',type=str,help='Output file')
+    netinstall_parser.add_argument('-O','--output',type=str,help='Output file')
     args = parser.parse_args()
     key_dict = {
         bytes.fromhex(os.environ['MIKRO_LICENSE_PUBLIC_KEY']):bytes.fromhex(os.environ['CUSTOM_LICENSE_PUBLIC_KEY']),