diff --git a/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts b/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts
index 0bd0a585fe..4e371df201 100644
--- a/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts
+++ b/packages/playwright-core/src/server/socksClientCertificatesInterceptor.ts
@@ -210,8 +210,10 @@ class SocksProxyConnection {
           return;
         }
 
-        if (this._closed)
+        if (this._closed) {
+          internalTLS.destroy();
           return;
+        }
         targetTLS = tls.connect({
           socket: this.target,
           host: this.host,