diff --git a/contrib/data/www/index.html b/contrib/data/www/index.html
index 68748f3d..c40b688d 100644
--- a/contrib/data/www/index.html
+++ b/contrib/data/www/index.html
@@ -2075,7 +2075,6 @@ <h3>Encode to {this.props.path}</h3>
                     await port.close();
                     return;
                 }
-                await port.close();
             }
 
             async patchFlash() {