diff --git a/ui/main_window.py b/ui/main_window.py
index ded3c01..126b11f 100644
--- a/ui/main_window.py
+++ b/ui/main_window.py
@@ -219,7 +219,8 @@ class Ui_MainWindow(object):
         self.horizontalLayout_3.setObjectName(u"horizontalLayout_3")
         self.restart_button = QPushButton(self.widget_9)
         self.restart_button.setObjectName(u"restart_button")
-        self.restart_button.setEnabled(True)
+        self.restart_button.setEnabled(False)
+        self.restart_button.setFlat(False)
 
         self.horizontalLayout_3.addWidget(self.restart_button)
 
@@ -484,6 +485,7 @@ class Ui_MainWindow(object):
 
         self.tabWidget.setCurrentIndex(0)
         self.font_size_comboBox.setCurrentIndex(2)
+        self.restart_button.setDefault(False)
 
 
         QMetaObject.connectSlotsByName(MainWindow)
diff --git a/ui/main_window.ui b/ui/main_window.ui
index 6be70bd..9c0ba37 100644
--- a/ui/main_window.ui
+++ b/ui/main_window.ui
@@ -368,11 +368,17 @@
            <item>
             <widget class="QPushButton" name="restart_button">
              <property name="enabled">
-              <bool>true</bool>
+              <bool>false</bool>
              </property>
              <property name="text">
               <string>Restart</string>
              </property>
+             <property name="default">
+              <bool>false</bool>
+             </property>
+             <property name="flat">
+              <bool>false</bool>
+             </property>
             </widget>
            </item>
            <item>