diff --git a/lib/_http_client.js b/lib/_http_client.js
index 32eef681d5cf4e..b1535815050db3 100644
--- a/lib/_http_client.js
+++ b/lib/_http_client.js
@@ -170,7 +170,7 @@ function ClientRequest(input, options, cb) {
   let method = options.method;
   const methodIsString = (typeof method === 'string');
   if (method !== null && method !== undefined && !methodIsString) {
-    throw new ERR_INVALID_ARG_TYPE('method', 'string', method);
+    throw new ERR_INVALID_ARG_TYPE('options.method', 'string', method);
   }
 
   if (methodIsString && method) {
@@ -191,7 +191,7 @@ function ClientRequest(input, options, cb) {
   if (insecureHTTPParser !== undefined &&
       typeof insecureHTTPParser !== 'boolean') {
     throw new ERR_INVALID_ARG_TYPE(
-      'insecureHTTPParser', 'boolean', insecureHTTPParser);
+      'options.insecureHTTPParser', 'boolean', insecureHTTPParser);
   }
   this.insecureHTTPParser = insecureHTTPParser;
 
diff --git a/lib/_http_server.js b/lib/_http_server.js
index 3f9c98e8380363..d39c2b781adc7c 100644
--- a/lib/_http_server.js
+++ b/lib/_http_server.js
@@ -339,7 +339,7 @@ function Server(options, requestListener) {
   if (insecureHTTPParser !== undefined &&
       typeof insecureHTTPParser !== 'boolean') {
     throw new ERR_INVALID_ARG_TYPE(
-      'insecureHTTPParser', 'boolean', insecureHTTPParser);
+      'options.insecureHTTPParser', 'boolean', insecureHTTPParser);
   }
   this.insecureHTTPParser = insecureHTTPParser;
 
diff --git a/test/parallel/test-http-client-check-http-token.js b/test/parallel/test-http-client-check-http-token.js
index d09fbe1b8ee959..ef2445ec66e520 100644
--- a/test/parallel/test-http-client-check-http-token.js
+++ b/test/parallel/test-http-client-check-http-token.js
@@ -23,7 +23,7 @@ server.listen(0, common.mustCall(() => {
     }, {
       code: 'ERR_INVALID_ARG_TYPE',
       name: 'TypeError',
-      message: 'The "method" argument must be of type string.' +
+      message: 'The "options.method" property must be of type string.' +
                common.invalidArgTypeHelper(method)
     });
   });