diff --git a/http/server.ts b/http/server.ts
index baccaacfb95c..0046514c1f81 100644
--- a/http/server.ts
+++ b/http/server.ts
@@ -274,11 +274,15 @@ export class Server implements AsyncIterable<ServerRequest> {
     if (bufStateErr === "EOF") {
       // The connection was gracefully closed.
     } else if (bufStateErr instanceof Error) {
-      // An error was thrown while parsing request headers.
-      await writeResponse(req.w, {
-        status: 400,
-        body: new TextEncoder().encode(`${bufStateErr.message}\r\n\r\n`)
-      });
+      // in case of wrong first line HTTP header or
+      // aborted request we don't have to respond
+      if (req) {
+        // An error was thrown while parsing request headers.
+        await writeResponse(req.w, {
+          status: 400,
+          body: new TextEncoder().encode(`${bufStateErr.message}\r\n\r\n`)
+        });
+      }
     } else if (this.closing) {
       // There are more requests incoming but the server is closing.
       // TODO(ry): send a back a HTTP 503 Service Unavailable status.
diff --git a/http/server_test.ts b/http/server_test.ts
index 705fea1baeb6..df5261af712b 100644
--- a/http/server_test.ts
+++ b/http/server_test.ts
@@ -364,6 +364,11 @@ test(async function testReadRequestError(): Promise<void> {
       in: "HEAD / HTTP/1.1\r\nContent-Length:0\r\nContent-Length: 0\r\n\r\n",
       headers: [{ key: "Content-Length", value: "0" }],
       err: null
+    },
+    11: {
+      in: "ToTAlly \\ Non REAdable HTTTTTTp pRotOcOlz",
+      err: "EOF",
+      headers: []
     }
   };
   for (const p in testCases) {