diff --git a/src/boot.sh b/src/boot.sh
index e3bcafb..2034a38 100644
--- a/src/boot.sh
+++ b/src/boot.sh
@@ -34,22 +34,22 @@ case "${BOOT_MODE,,}" in
     ;;
 esac
 
-BOOT_OPTS="$BOOT_OPTS -smbios type=2"
-BOOT_OPTS="$BOOT_OPTS -rtc base=utc,base=localtime"
-BOOT_OPTS="$BOOT_OPTS -global ICH9-LPC.disable_s3=1"
-BOOT_OPTS="$BOOT_OPTS -global ICH9-LPC.disable_s4=1"
-BOOT_OPTS="$BOOT_OPTS -global ICH9-LPC.acpi-pci-hotplug-with-bridge-support=off"
+BOOT_OPTS+=" -smbios type=2"
+BOOT_OPTS+=" -rtc base=utc,base=localtime"
+BOOT_OPTS+=" -global ICH9-LPC.disable_s3=1"
+BOOT_OPTS+=" -global ICH9-LPC.disable_s4=1"
+BOOT_OPTS+=" -global ICH9-LPC.acpi-pci-hotplug-with-bridge-support=off"
 
 osk=$(echo "bheuneqjbexolgurfrjbeqfthneqrqcyrnfrqbagfgrny(p)NccyrPbzchgreVap" | tr 'A-Za-z' 'N-ZA-Mn-za-m')
-BOOT_OPTS="$BOOT_OPTS -device isa-applesmc,osk=$osk"
+BOOT_OPTS+=" -device isa-applesmc,osk=$osk"
 
 # OVMF
-BOOT_OPTS="$BOOT_OPTS -drive if=pflash,format=raw,readonly=on,file=$OVMF/$ROM"
-BOOT_OPTS="$BOOT_OPTS -drive if=pflash,format=raw,file=$OVMF/$VARS"
+BOOT_OPTS+=" -drive if=pflash,format=raw,readonly=on,file=$OVMF/$ROM"
+BOOT_OPTS+=" -drive if=pflash,format=raw,file=$OVMF/$VARS"
 
 # OpenCoreBoot
-DISK_OPTS="$DISK_OPTS -device virtio-blk-pci,drive=${BOOT_DRIVE_ID},scsi=off,bus=pcie.0,addr=0x5,iothread=io2,bootindex=1"
-DISK_OPTS="$DISK_OPTS -drive file=$BOOT_DRIVE,id=$BOOT_DRIVE_ID,format=qcow2,cache=$DISK_CACHE,aio=$DISK_IO,readonly=on,if=none"
+DISK_OPTS+=" -device virtio-blk-pci,drive=${BOOT_DRIVE_ID},scsi=off,bus=pcie.0,addr=0x5,iothread=io2,bootindex=1"
+DISK_OPTS+=" -drive file=$BOOT_DRIVE,id=$BOOT_DRIVE_ID,format=qcow2,cache=$DISK_CACHE,aio=$DISK_IO,readonly=on,if=none"
 
 CPU_VENDOR=$(lscpu | awk '/Vendor ID/{print $3}')
 CPU_FLAGS="vendor=GenuineIntel,vmware-cpuid-freq=on,-pdpe1gb"
@@ -59,7 +59,7 @@ if [[ "$CPU_VENDOR" != "GenuineIntel" ]]; then
 fi
   
 USB="nec-usb-xhci,id=xhci"
-USB="$USB -device usb-kbd,bus=xhci.0"
-USB="$USB -global nec-usb-xhci.msi=off"
+USB+=" -device usb-kbd,bus=xhci.0"
+USB+=" -global nec-usb-xhci.msi=off"
 
 return 0
diff --git a/src/entry.sh b/src/entry.sh
index 11d4373..99c28b3 100644
--- a/src/entry.sh
+++ b/src/entry.sh
@@ -10,8 +10,8 @@ SUPPORT="https://github.com/dockur/macos"
 cd /run
 
 . reset.sh      # Initialize system
-. disk.sh       # Initialize disks
 . install.sh    # Get the OSX images
+. disk.sh       # Initialize disks
 . display.sh    # Initialize graphics
 . network.sh    # Initialize network
 . boot.sh       # Configure boot
diff --git a/src/install.sh b/src/install.sh
index 0b9acdd..421361c 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -58,7 +58,7 @@ if [ "$VERSION" != "$STORED_VERSION" ]; then
   fi
 fi
 
-DISK_OPTS="$DISK_OPTS -device virtio-blk-pci,drive=${BASE_IMG_ID},scsi=off,bus=pcie.0,addr=0x6,iothread=io2"
-DISK_OPTS="$DISK_OPTS -drive file=$BASE_IMG,id=$BASE_IMG_ID,format=dmg,cache=$DISK_CACHE,aio=$DISK_IO,readonly=on,if=none"
+DISK_OPTS="-device virtio-blk-pci,drive=${BASE_IMG_ID},scsi=off,bus=pcie.0,addr=0x6,iothread=io2"
+DISK_OPTS+=" -drive file=$BASE_IMG,id=$BASE_IMG_ID,format=dmg,cache=$DISK_CACHE,aio=$DISK_IO,readonly=on,if=none"
 
 return 0