diff --git a/libraries/ESP8266WebServer/examples/SDWebServer/SDWebServer.ino b/libraries/ESP8266WebServer/examples/SDWebServer/SDWebServer.ino
index 59432cf903..efe0207746 100644
--- a/libraries/ESP8266WebServer/examples/SDWebServer/SDWebServer.ino
+++ b/libraries/ESP8266WebServer/examples/SDWebServer/SDWebServer.ino
@@ -241,6 +241,7 @@ void printDirectory() {
     entry.close();
   }
   server.sendContent("]");
+  server.sendContent(""); // Terminate the HTTP chunked transmission with a 0-length chunk
   dir.close();
 }