diff --git a/examples/deserialize-transaction/src/example.ts b/examples/deserialize-transaction/src/example.ts
index 0ec16e4892c..0a3cd273862 100644
--- a/examples/deserialize-transaction/src/example.ts
+++ b/examples/deserialize-transaction/src/example.ts
@@ -310,7 +310,7 @@ const decompiledTransactionMessage = await decompileTransactionMessageFetchingLo
 // This is the same data structure that was created before we first signed the transaction
 
 // We can see the fee payer:
-log.info(`[step 3] The transaction fee payer is ${decompiledTransactionMessage.feePayer}`);
+log.info(`[step 3] The transaction fee payer is ${decompiledTransactionMessage.feePayer.address}`);
 
 // And the lifetime constraint:
 log.info(decompiledTransactionMessage.lifetimeConstraint, '[step 3] The transaction lifetime constraint');
diff --git a/packages/errors/src/message-formatter.ts b/packages/errors/src/message-formatter.ts
index c91672e65e7..85472199c9d 100644
--- a/packages/errors/src/message-formatter.ts
+++ b/packages/errors/src/message-formatter.ts
@@ -16,7 +16,7 @@ const TYPE = 't';
 
 export function getHumanReadableErrorMessage<TErrorCode extends SolanaErrorCode>(
     code: TErrorCode,
-    context: object = {},
+    context: Record<string, unknown> = {},
 ): string {
     const messageFormatString = SolanaErrorMessages[code];
     if (messageFormatString.length === 0) {
@@ -28,7 +28,7 @@ export function getHumanReadableErrorMessage<TErrorCode extends SolanaErrorCode>
             const variableName = messageFormatString.slice(state[START_INDEX] + 1, endIndex);
 
             fragments.push(
-                variableName in context ? `${context[variableName as keyof typeof context]}` : `$${variableName}`,
+                variableName in context ? `${context[variableName] as string}` : `$${variableName}`,
             );
         } else if (state[TYPE] === StateType.Text) {
             fragments.push(messageFormatString.slice(state[START_INDEX], endIndex));
diff --git a/packages/rpc-transport-http/src/__tests__/http-transport-test.ts b/packages/rpc-transport-http/src/__tests__/http-transport-test.ts
index 382caf78ca8..73d143f45d9 100644
--- a/packages/rpc-transport-http/src/__tests__/http-transport-test.ts
+++ b/packages/rpc-transport-http/src/__tests__/http-transport-test.ts
@@ -71,6 +71,9 @@ describe('createHttpTransport', () => {
                 thrownError = e as SolanaError<typeof SOLANA_ERROR__RPC__TRANSPORT_HTTP_ERROR>;
             }
             expect(thrownError).toBeDefined();
+            
+            // Note: Stringifying this variable, it will leak header values and the test will fail
+            // eslint-disable-next-line @typescript-eslint/restrict-template-expressions 
             expect(`${thrownError.context.headers}`).not.toMatch(/doNotLog/);
         });
     });