diff --git a/src/setting-dialog.cpp b/src/setting-dialog.cpp
index d0f98ae..c81bfdd 100644
--- a/src/setting-dialog.cpp
+++ b/src/setting-dialog.cpp
@@ -16,7 +16,7 @@
   , ui(new Ui::SettingDialog)
 {
   ui->setupUi(this);
-  
+
   connect(ui->saveButton, SIGNAL(clicked()),
           this, SLOT(onSaveClicked()));
   connect(ui->cancelButton, SIGNAL(clicked()),