diff --git a/packages/assetpack/src/core/utils/getHash.ts b/packages/assetpack/src/core/utils/getHash.ts
index 292ca32..032d6a0 100644
--- a/packages/assetpack/src/core/utils/getHash.ts
+++ b/packages/assetpack/src/core/utils/getHash.ts
@@ -11,7 +11,8 @@ export function getHash(input: string | Buffer): string {
         input = fs.readFileSync(input);
     }
 
-    const checksumHex = crc32.crc32(input).toString(16);
+    // Pad to 8 hex digits: Buffer.from drops the last digit of an odd-length hex string.
+    const checksumHex = crc32.crc32(input).toString(16).padStart(8, '0');
 
     return Buffer.from(checksumHex, 'hex').toString('base64url');
 }
diff --git a/packages/assetpack/test/core/Utils.test.ts b/packages/assetpack/test/core/Utils.test.ts
index 2e589e4..eea8a4c 100644
--- a/packages/assetpack/test/core/Utils.test.ts
+++ b/packages/assetpack/test/core/Utils.test.ts
@@ -2,7 +2,9 @@ import { describe, expect, it } from 'vitest';
 import { AssetPack } from '../../src/core/AssetPack.js';
 import { extractTagsFromFileName } from '../../src/core/utils/extractTagsFromFileName.js';
 import { generateCacheName } from '../../src/core/utils/generateCacheName.js';
+import { getHash } from '../../src/core/utils/getHash.js';
 import { createAssetPipe, createFolder, getCacheDir, getInputDir, getOutputDir } from '../utils/index.js';
+import crc32 from '@node-rs/crc32';
 
 import type { Asset } from '../../src/core/Asset.js';
 import type { AssetPipe } from '../../src/core/index.js';
@@ -208,4 +210,24 @@ describe('Utils', () => {
 
         expect(cacheName3).toEqual('ab900fa81d7121ea46bd2eafe9e826633c1c48a0');
     });
+
+    it('should always return a 6 character hash', () => {
+        const findInput = (accept: (crc: number) => boolean) => {
+            for (let i = 0; ; i++) {
+                const buffer = Buffer.from(`asset-${i}`);
+
+                if (accept(crc32.crc32(buffer))) return buffer;
+            }
+        };
+
+        // crc32 values with 1, 2 and 3 leading zero hex digits
+        for (const limit of [0x10000000, 0x1000000, 0x100000]) {
+            expect(getHash(findInput((crc) => crc < limit))).toMatch(/^[\w-]{6}$/);
+        }
+
+        // hashes without a leading zero are unchanged
+        const buffer = findInput((crc) => crc >= 0x10000000);
+
+        expect(getHash(buffer)).toBe(Buffer.from(crc32.crc32(buffer).toString(16), 'hex').toString('base64url'));
+    });
 });
diff --git a/packages/assetpack/test/manifest/Manifest.test.ts b/packages/assetpack/test/manifest/Manifest.test.ts
index 0bfb057..603229a 100644
--- a/packages/assetpack/test/manifest/Manifest.test.ts
+++ b/packages/assetpack/test/manifest/Manifest.test.ts
@@ -630,10 +630,10 @@ describe('Manifest', () => {
                     src: [
                         { src: 'bundle/sprite-vUcaag@0.5x.astc.ktx', progressSize: 4.98 },
                         { src: 'bundle/sprite-TZpmeQ.astc.ktx', progressSize: 16.57 },
-                        { src: 'bundle/sprite-sDtC@0.5x.png', progressSize: 5.21 },
                         { src: 'bundle/sprite-KdyNpA@0.5x.webp', progressSize: 3.78 },
                         { src: 'bundle/sprite-k07jiw.png', progressSize: 14.49 },
-                        { src: 'bundle/sprite-3CLG.webp', progressSize: 8.2 },
+                        { src: 'bundle/sprite-CwO0Lg@0.5x.png', progressSize: 5.21 },
+                        { src: 'bundle/sprite-ANwixg.webp', progressSize: 8.2 },
                     ],
                     data: {
                         tags: {
@@ -645,7 +645,7 @@ describe('Manifest', () => {
                     alias: ['bundle/tps'],
                     src: [
                         { src: 'bundle/tps-RzSARA-0@0.5x.astc.json', progressSize: 26.52 },
-                        { src: 'bundle/tps-Ktro9A-0@0.5x.png.json', progressSize: 21.3 },
+                        { src: 'bundle/tps-qrwSUA-0@0.5x.png.json', progressSize: 21.3 },
                         { src: 'bundle/tps-iS-Jog-0@0.5x.webp.json', progressSize: 19.45 },
                         { src: 'bundle/tps-G92JcQ-0.png.json', progressSize: 71.01 },
                         { src: 'bundle/tps-g4NIDQ-0.astc.json', progressSize: 90.82 },
@@ -697,8 +697,8 @@ describe('Manifest', () => {
                 {
                     alias: ['spine/dragon.atlas'],
                     src: [
-                        { src: 'spine/dragon-VMxv5A@0.5x.atlas', progressSize: 0.86 },
                         { src: 'spine/dragon-bOhE1A.atlas', progressSize: 0.89 },
+                        { src: 'spine/dragon-_efU3A@0.5x.atlas', progressSize: 0.86 },
                     ],
                     data: {
                         tags: {
@@ -1951,7 +1951,7 @@ describe('Manifest', () => {
                             { src: 'bundle/sprite-vUcaag@0.5x.astc.ktx', progressSize: 4.98 },
                             { src: 'bundle/sprite-TZpmeQ.astc.ktx', progressSize: 16.57 },
                             { src: 'bundle/sprite-KdyNpA@0.5x.webp', progressSize: 3.78 },
-                            { src: 'bundle/sprite-3CLG.webp', progressSize: 8.2 },
+                            { src: 'bundle/sprite-ANwixg.webp', progressSize: 8.2 },
                         ],
                         data: { tags: { m: true } },
                     },
@@ -2017,10 +2017,10 @@ describe('Manifest', () => {
                     {
                         alias: ['spine/dragon.atlas'],
                         src: [
+                            { src: 'spine/dragon-nYsr1g@0.5x.webp.atlas', progressSize: 0.87 },
                             { src: 'spine/dragon-JospZg@0.5x.astc.atlas', progressSize: 0.87 },
                             { src: 'spine/dragon-gYS0Qg.webp.atlas', progressSize: 0.89 },
                             { src: 'spine/dragon-9M9x8w.astc.atlas', progressSize: 0.89 },
-                            { src: 'spine/dragon-672U@0.5x.webp.atlas', progressSize: 0.86 },
                         ],
                         data: { tags: { spine: true }, spine: true },
                     },