diff --git a/gooey/gui/util/filedrop.py b/gooey/gui/util/filedrop.py
index 460809d..abb64b3 100644
--- a/gooey/gui/util/filedrop.py
+++ b/gooey/gui/util/filedrop.py
@@ -8,3 +8,4 @@ class FileDrop(wx.FileDropTarget):
   def OnDropFiles(self, x, y, filenames):
     for name in filenames:
       self.window.WriteText(name)
+    return True