diff --git a/mozilla/widget/src/gtk2/nsFilePicker.cpp b/mozilla/widget/src/gtk2/nsFilePicker.cpp
index c78be3b7923..fcfabf0399a 100644
--- a/mozilla/widget/src/gtk2/nsFilePicker.cpp
+++ b/mozilla/widget/src/gtk2/nsFilePicker.cpp
@@ -348,7 +348,7 @@ ReadMultipleFiles(gpointer filename, gpointer array)
 void
 nsFilePicker::ReadValuesFromFileChooser(GtkWidget *file_chooser)
 {
-  mFilesURL.Clear();
+  mFiles.Clear();
 
   if (mMode == nsIFilePicker::modeOpenMultiple) {
     mFileURL.Truncate();