diff --git a/packages/grpc-js/src/transport.ts b/packages/grpc-js/src/transport.ts
index 1acbab40e..703547f61 100644
--- a/packages/grpc-js/src/transport.ts
+++ b/packages/grpc-js/src/transport.ts
@@ -743,6 +743,7 @@ export class Http2SubchannelConnector implements SubchannelConnector {
         ...connectionOptions,
         ...address,
         enableTrace: options['grpc-node.tls_enable_trace'] === 1,
+        rejectUnauthorized: options['grpc-node.tls_reject_unauthorized'] ?? true,
       };
 
       /* http2.connect uses the options here:
@@ -837,6 +838,9 @@ export class Http2SubchannelConnector implements SubchannelConnector {
       if (options['grpc-node.tls_enable_trace']) {
         connectionOptions.enableTrace = true;
       }
+      if (options['grpc-node.tls_reject_unauthorized']) {
+        connectionOptions.rejectUnauthorized = options['grpc-node.tls_reject_unauthorized'];
+      }
     }
 
     return getProxiedConnection(address, options, connectionOptions).then(