diff --git a/ts/textsecure/Errors.ts b/ts/textsecure/Errors.ts
index 06e306555..8d090128e 100644
--- a/ts/textsecure/Errors.ts
+++ b/ts/textsecure/Errors.ts
@@ -33,9 +33,10 @@ export class HTTPError extends Error {
       headers: HTTPErrorHeadersType;
       response?: unknown;
       stack?: string;
+      cause?: unknown;
     }
   ) {
-    super(`${message}; code: ${options.code}`);
+    super(`${message}; code: ${options.code}`, { cause: options.cause });
 
     const { code: providedCode, headers, response, stack } = options;
 
diff --git a/ts/textsecure/WebSocket.ts b/ts/textsecure/WebSocket.ts
index 2b361269b..3a0dc19ca 100644
--- a/ts/textsecure/WebSocket.ts
+++ b/ts/textsecure/WebSocket.ts
@@ -100,17 +100,16 @@ export function connect<Resource extends IResource>({
     reject(translatedError);
   });
 
-  client.on('connectFailed', e => {
+  client.on('connectFailed', originalErr => {
     Timers.clearTimeout(timer);
 
-    reject(
-      new HTTPError('connectResource: connectFailed', {
-        code: -1,
-        headers: {},
-        response: e.toString(),
-        stack,
-      })
-    );
+    const err = new HTTPError('connectResource: connectFailed', {
+      code: -1,
+      headers: {},
+      stack,
+      cause: originalErr,
+    });
+    reject(err);
   });
 
   return new AbortableProcess<Resource>(