diff --git a/src/frontends/qt4/GuiPrefs.cpp b/src/frontends/qt4/GuiPrefs.cpp
index 7f55a4d435..4681dd3219 100644
--- a/src/frontends/qt4/GuiPrefs.cpp
+++ b/src/frontends/qt4/GuiPrefs.cpp
@@ -112,7 +112,7 @@ QString browseFile(QString const & filename,
 		lastPath = fallback_dir;
 
 	FileDialog dlg(title);
-	dlg.setButton2(label1, dir1);
+	dlg.setButton1(label1, dir1);
 	dlg.setButton2(label2, dir2);
 
 	FileDialog::Result result;