diff --git a/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts b/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts
index 9f06d1e5bdde4..846d2ca3d16b3 100644
--- a/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts
+++ b/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts
@@ -247,9 +247,7 @@ class SocksProxyConnection {
           'Content-Length: ' + Buffer.byteLength(responseBody),
           '',
           responseBody,
-        ].join('\r\n'), () => {
-          this._browserEncrypted.destroy();
-        });
+        ].join('\r\n'));
       }
     });
   }
diff --git a/tests/library/client-certificates.spec.ts b/tests/library/client-certificates.spec.ts
index 61b6580e86cc2..b7546c47eea25 100644
--- a/tests/library/client-certificates.spec.ts
+++ b/tests/library/client-certificates.spec.ts
@@ -552,6 +552,7 @@ test.describe('browser', () => {
           'Content-Encoding': 'gzip',
           'Transfer-Encoding': 'chunked'
         });
+        res.flushHeaders();
 
         await renegotiate();