diff --git a/src/crypto/cipher/index.js b/src/crypto/cipher/index.js
index 88c1b9cb..7a1a8ec8 100644
--- a/src/crypto/cipher/index.js
+++ b/src/crypto/cipher/index.js
@@ -11,7 +11,8 @@ export async function getLegacyCipher(algo) {
     case enums.symmetric.twofish:
     case enums.symmetric.tripledes: {
       const { legacyCiphers } = await import('./legacy_ciphers');
-      const cipher = legacyCiphers.get(algo);
+      const algoName = enums.read(enums.symmetric, algo);
+      const cipher = legacyCiphers.get(algoName);
       if (!cipher) {
         throw new Error('Unsupported cipher algorithm');
       }
diff --git a/src/crypto/cipher/legacy_ciphers.js b/src/crypto/cipher/legacy_ciphers.js
index f091d471..0fbf62f9 100644
--- a/src/crypto/cipher/legacy_ciphers.js
+++ b/src/crypto/cipher/legacy_ciphers.js
@@ -3,15 +3,16 @@
  * Separate dynamic imports are not convenient as they result in multiple chunks.
  */
 
-import { TripleDES } from './des';
-import CAST5 from './cast5';
-import TwoFish from './twofish';
-import BlowFish from './blowfish';
-import enums from '../../enums';
+import { TripleDES as tripledes } from './des';
+import cast5 from './cast5';
+import twofish from './twofish';
+import blowfish from './blowfish';
 
-export const legacyCiphers = new Map([
-  [enums.symmetric.tripledes, TripleDES],
-  [enums.symmetric.cast5, CAST5],
-  [enums.symmetric.blowfish, BlowFish],
-  [enums.symmetric.twofish, TwoFish]
-]);
+// We avoid importing 'enums' as this module is lazy loaded, and doing so could mess up
+// chunking for the lightweight build
+export const legacyCiphers = new Map(Object.entries({
+  tripledes,
+  cast5,
+  twofish,
+  blowfish
+}));