diff --git a/source/renderer/app/utils/dataSerialization.ts b/source/renderer/app/utils/dataSerialization.ts
index 2c9fd47263..7479b2f196 100644
--- a/source/renderer/app/utils/dataSerialization.ts
+++ b/source/renderer/app/utils/dataSerialization.ts
@@ -177,12 +177,15 @@ export const toTxOutputAssets = (assets: CoinSelectionAssetsType) => {
   return policyIdMap;
 };
 
-const parseVoteDelegation = (vote: string): [number] | [number, string] => {
+const parseVoteDelegation = (vote: string): [number] | [number, Buffer] => {
   if (!vote) throw new Error('Invalid voting power option');
   if (vote === 'abstain') return [2];
   if (vote === 'no_confidence') return [3];
 
-  const voteHash = utils.buf_to_hex(utils.bech32_decodeAddress(vote));
+  const voteHash = Buffer.from(
+    utils.buf_to_hex(utils.bech32_decodeAddress(vote)),
+    'hex'
+  );
   return [vote.includes('_script') ? 1 : 0, voteHash];
 };
 
diff --git a/source/renderer/app/utils/shelleyLedger.ts b/source/renderer/app/utils/shelleyLedger.ts
index af87c3eea8..0b80074c5f 100644
--- a/source/renderer/app/utils/shelleyLedger.ts
+++ b/source/renderer/app/utils/shelleyLedger.ts
@@ -67,16 +67,18 @@ const parseVoteDelegation = (
     };
   }
 
+  const votHash = utils.buf_to_hex(utils.bech32_decodeAddress(cert.vote));
+
   if (cert.vote.includes('_script')) {
     return {
       type: DRepParamsType.SCRIPT_HASH,
-      scriptHashHex: cert.vote,
+      scriptHashHex: votHash,
     };
   }
 
   return {
     type: DRepParamsType.KEY_HASH,
-    keyHashHex: cert.vote,
+    keyHashHex: votHash,
   };
 };