diff --git a/.github/workflows/self_hosted_patch.yml b/.github/workflows/self_hosted_patch.yml
index 61510c2..31e8da4 100644
--- a/.github/workflows/self_hosted_patch.yml
+++ b/.github/workflows/self_hosted_patch.yml
@@ -276,6 +276,7 @@ jobs:
         dd if=pt.bin of=chr-$LATEST_VERSION$ARCH.img  bs=1 count=66 seek=446 conv=notrunc
         sudo qemu-nbd -d /dev/nbd0
         sudo qemu-nbd -c /dev/nbd0 -f raw chr-$LATEST_VERSION$ARCH.img
+        sudo partprobe /dev/nbd0
         sudo mkfs.vfat -n "Boot" /dev/nbd0p1
         sudo mkfs.ext4 -F -L "RouterOS"  -m 0 /dev/nbd0p2
         sudo mkdir -p ./img/{boot,routeros}
@@ -284,6 +285,7 @@ jobs:
           sudo cp chr.img chr-$LATEST_VERSION$ARCH-legacy-bios.img 
           sudo qemu-nbd -d /dev/nbd1
           sudo qemu-nbd -c /dev/nbd1 -f raw chr-$LATEST_VERSION$ARCH-legacy-bios.img
+          sudo partprobe /dev/nbd1
           sudo -E python3 patch.py block /dev/nbd1p1 EFI/BOOT/BOOTX64.EFI
           sudo mkdir -p ./chr/{boot,routeros}
           sudo mount /dev/nbd1p1 ./chr/boot/
@@ -323,6 +325,7 @@ jobs:
         elif [ "${{ matrix.arch }}" == "arm64" ]; then
           sudo qemu-nbd -d /dev/nbd1
           sudo qemu-nbd -c /dev/nbd1 -f raw chr.img
+          sudo partprobe /dev/nbd1
           sudo mkdir -p ./chr/boot
           sudo mount /dev/nbd1p1 ./chr/boot/
           sudo -E python3 patch.py kernel ./chr/boot/EFI/BOOT/BOOTAA64.EFI -O ./BOOTAA64.EFI