diff --git a/src/net/http/example_filesystem_test.go b/src/net/http/example_filesystem_test.go
index 0e81458a071..ebcb994f436 100644
--- a/src/net/http/example_filesystem_test.go
+++ b/src/net/http/example_filesystem_test.go
@@ -5,6 +5,7 @@
 package http_test
 
 import (
+	"io"
 	"io/fs"
 	"log"
 	"net/http"
@@ -40,6 +41,9 @@ func (f dotFileHidingFile) Readdir(n int) (fis []fs.FileInfo, err error) {
 			fis = append(fis, file)
 		}
 	}
+	if err == nil && n > 0 && len(fis) == 0 {
+		err = io.EOF
+	}
 	return
 }