diff --git a/4chan_x.user.js b/4chan_x.user.js
index 40e4328dd..d16cc2cbf 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1795,6 +1795,7 @@
         }
       });
       qr.mimeTypes = mimeTypes.split(', ');
+      qr.mimeTypes.push('');
       fileInput = $('[type=file]', qr.el);
       fileInput.max = $('[name=MAX_FILE_SIZE]').value;
       fileInput.accept = mimeTypes;
diff --git a/script.coffee b/script.coffee
index d60d37e7c..72daadcfd 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1456,7 +1456,9 @@ qr =
           'application/pdf'
         else
           "image/#{type}"
-    qr.mimeTypes     = mimeTypes.split ', '
+    qr.mimeTypes = mimeTypes.split ', '
+    # Add empty mimeType to avoid errors with URLs selected in Window's file dialog.
+    qr.mimeTypes.push ''
     fileInput        = $ '[type=file]', qr.el
     fileInput.max    = $('[name=MAX_FILE_SIZE]').value
     fileInput.accept = mimeTypes