diff --git a/src/constants.ts b/src/constants.ts
index cd2f522..31d560a 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -1,3 +1,4 @@
 export const CONFIG_DIR: string = `${Deno.env.get("HOME")}/.openbsd-up`;
 export const DB_PATH: string = `${CONFIG_DIR}/state.sqlite`;
 export const LOGS_DIR: string = `${CONFIG_DIR}/logs`;
+export const EMPTY_DISK_SIZE_KB = 100;
diff --git a/src/utils.ts b/src/utils.ts
index 328d6d2..39d0561 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -2,7 +2,7 @@ import { createId } from "@paralleldrive/cuid2";
 import chalk from "chalk";
 import _ from "lodash";
 import Moniker from "moniker";
-import { LOGS_DIR } from "./constants.ts";
+import { EMPTY_DISK_SIZE_KB, LOGS_DIR } from "./constants.ts";
 import { generateRandomMacAddress } from "./network.ts";
 import { saveInstanceState, updateInstanceState } from "./state.ts";
 
@@ -40,7 +40,7 @@ export async function emptyDiskImage(path: string): Promise<boolean> {
   }
 
   const size = await du(path);
-  return size < 100;
+  return size < EMPTY_DISK_SIZE_KB;
 }
 
 export async function downloadIso(
@@ -52,7 +52,7 @@ export async function downloadIso(
 
   if (options.image && await Deno.stat(options.image).catch(() => false)) {
     const driveSize = await du(options.image);
-    if (driveSize > 10) {
+    if (driveSize > EMPTY_DISK_SIZE_KB) {
       console.log(
         chalk.yellowBright(
           `Drive image ${options.image} is not empty (size: ${driveSize} KB), skipping ISO download to avoid overwriting existing data.`,