diff --git a/system_setup/install.sh b/system_setup/install.sh
index f0c5a5f..6496b26 100755
--- a/system_setup/install.sh
+++ b/system_setup/install.sh
@@ -392,7 +392,7 @@ fi
 # ── Create OEMDRV partition ───────────────────────────────────────────────────
 
 info "Creating new OEMDRV partition (${OEMDRV_START}–${OEMDRV_END} MiB) on $WORK_DISK..."
-printf 'Yes\n' | parted "$WORK_DISK" mkpart primary btrfs "${OEMDRV_START}MiB" "${OEMDRV_END}MiB" \
+printf 'Yes\n' | parted "$WORK_DISK" mkpart anacondainstall btrfs "${OEMDRV_START}MiB" "${OEMDRV_END}MiB" \
     || die "parted mkpart failed. Check that the target area is free space on $WORK_DISK."
 
 partprobe "$WORK_DISK"