1 files changed, 4 insertions, 4 deletions
diff --git a/ext/http/00_serve.ts b/ext/http/00_serve.ts
index 02910d580..c8f4e0604 100644
--- a/ext/http/00_serve.ts
+++ b/ext/http/00_serve.ts
@@ -457,7 +457,7 @@ function fastSyncResponseOrStream(
   // At this point in the response it needs to be a stream
   if (!ObjectPrototypeIsPrototypeOf(ReadableStreamPrototype, stream)) {
     innerRequest?.close();
-    throw TypeError("invalid response");
+    throw new TypeError("invalid response");
   }
   const resourceBacking = getReadableStreamResourceBacking(stream);
   let rid, autoClose;
@@ -506,13 +506,13 @@ function mapToCallback(context, callback, onError) {
 
       // Throwing Error if the handler return value is not a Response class
       if (!ObjectPrototypeIsPrototypeOf(ResponsePrototype, response)) {
-        throw TypeError(
+        throw new TypeError(
           "Return value from serve handler must be a response or a promise resolving to a response",
         );
       }
 
       if (response.bodyUsed) {
-        throw TypeError(
+        throw new TypeError(
           "The body of the Response returned from the serve handler has already been consumed.",
         );
       }
@@ -520,7 +520,7 @@ function mapToCallback(context, callback, onError) {
       try {
         response = await onError(error);
         if (!ObjectPrototypeIsPrototypeOf(ResponsePrototype, response)) {
-          throw TypeError(
+          throw new TypeError(
             "Return value from onError handler must be a response or a promise resolving to a response",
           );
         }