diff --git a/test/parallel/test-http-response-statuscode.js b/test/parallel/test-http-response-statuscode.js
index 3314506339..57256db603 100644
--- a/test/parallel/test-http-response-statuscode.js
+++ b/test/parallel/test-http-response-statuscode.js
@@ -11,62 +11,62 @@ const server = http.Server(common.mustCall(function(req, res) {
     case 0:
       assert.throws(common.mustCall(() => {
         res.writeHead(-1);
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 1:
       assert.throws(common.mustCall(() => {
         res.writeHead(Infinity);
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 2:
       assert.throws(common.mustCall(() => {
         res.writeHead(NaN);
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 3:
       assert.throws(common.mustCall(() => {
         res.writeHead({});
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 4:
       assert.throws(common.mustCall(() => {
         res.writeHead(99);
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 5:
       assert.throws(common.mustCall(() => {
         res.writeHead(1000);
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 6:
       assert.throws(common.mustCall(() => {
         res.writeHead('1000');
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 7:
       assert.throws(common.mustCall(() => {
         res.writeHead(null);
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 8:
       assert.throws(common.mustCall(() => {
         res.writeHead(true);
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 9:
       assert.throws(common.mustCall(() => {
         res.writeHead([]);
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 10:
       assert.throws(common.mustCall(() => {
         res.writeHead('this is not valid');
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       break;
     case 11:
       assert.throws(common.mustCall(() => {
         res.writeHead('404 this is not valid either');
-      }, /invalid status code/i));
+      }), /invalid status code/i);
       this.close();
       break;
     default: