diff --git a/pref.h b/pref.h
index ca969655a..3efe0a5ca 100644
--- a/pref.h
+++ b/pref.h
@@ -64,6 +64,7 @@ struct preferences {
 	bool doo2breaks;
 	bool drop_stone_mode;
 	bool show_pictures_in_profile;
+	bool use_default_file;
 };
 enum unit_system_values {
 	METRIC,
diff --git a/qt-ui/preferences.cpp b/qt-ui/preferences.cpp
index a35675690..cc5cfefb8 100644
--- a/qt-ui/preferences.cpp
+++ b/qt-ui/preferences.cpp
@@ -132,6 +132,7 @@ void PreferencesDialog::setUiFromPrefs()
 	ui.proxyUsername->setText(prefs.proxy_user);
 	ui.proxyPassword->setText(prefs.proxy_pass);
 	ui.proxyType->setCurrentIndex(ui.proxyType->findData(prefs.proxy_type));
+	ui.btnUseDefaultFile->setChecked(prefs.use_default_file);
 }
 
 void PreferencesDialog::restorePrefs()
@@ -227,6 +228,7 @@ void PreferencesDialog::syncSettings()
 	s.beginGroup("GeneralSettings");
 	s.setValue("default_filename", ui.defaultfilename->text());
 	s.setValue("default_cylinder", ui.default_cylinder->currentText());
+	s.setValue("use_default_file", ui.btnUseDefaultFile->isChecked());
 	s.endGroup();
 
 	s.beginGroup("Display");
@@ -326,6 +328,7 @@ void PreferencesDialog::loadSettings()
 	s.beginGroup("GeneralSettings");
 	GET_TXT("default_filename", default_filename);
 	GET_TXT("default_cylinder", default_cylinder);
+	GET_BOOL("use_default_file", use_default_file);
 	s.endGroup();
 
 	s.beginGroup("Display");
@@ -427,3 +430,13 @@ void PreferencesDialog::proxyType_changed(int idx)
 	ui.proxyPassword->setEnabled(hpEnabled & ui.proxyAuthRequired->isChecked());
 	ui.proxyAuthRequired->setChecked(ui.proxyAuthRequired->isChecked());
 }
+
+void PreferencesDialog::on_btnUseDefaultFile_toggled(bool toggle)
+{
+	if (toggle) {
+		ui.defaultfilename->setText(system_default_filename());
+		ui.defaultfilename->setEnabled(false);
+	} else {
+		ui.defaultfilename->setEnabled(true);
+	}
+}
diff --git a/qt-ui/preferences.h b/qt-ui/preferences.h
index ac54cc027..2a909db17 100644
--- a/qt-ui/preferences.h
+++ b/qt-ui/preferences.h
@@ -14,6 +14,7 @@ public:
 	static PreferencesDialog *instance();
 	void showEvent(QShowEvent *);
 	void emitSettingsChanged();
+
 signals:
 	void settingsChanged();
 public
@@ -28,6 +29,7 @@ slots:
 	void gflowChanged(int gf);
 	void gfhighChanged(int gf);
 	void proxyType_changed(int idx);
+	void on_btnUseDefaultFile_toggled(bool toggle);
 
 private:
 	explicit PreferencesDialog(QWidget *parent = 0, Qt::WindowFlags f = 0);
diff --git a/qt-ui/preferences.ui b/qt-ui/preferences.ui
index 1b5409821..78979d0de 100644
--- a/qt-ui/preferences.ui
+++ b/qt-ui/preferences.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>872</width>
-    <height>648</height>
+    <height>830</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -192,6 +192,16 @@
               <item>
                <widget class="QLineEdit" name="defaultfilename"/>
               </item>
+              <item>
+               <widget class="QToolButton" name="btnUseDefaultFile">
+                <property name="text">
+                 <string>Use default</string>
+                </property>
+                <property name="checkable">
+                 <bool>true</bool>
+                </property>
+               </widget>
+              </item>
               <item>
                <widget class="QToolButton" name="chooseFile">
                 <property name="text">
@@ -969,8 +979,8 @@
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>247</x>
-     <y>635</y>
+     <x>259</x>
+     <y>817</y>
     </hint>
     <hint type="destinationlabel">
      <x>157</x>
@@ -985,8 +995,8 @@
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>315</x>
-     <y>635</y>
+     <x>327</x>
+     <y>817</y>
     </hint>
     <hint type="destinationlabel">
      <x>286</x>
@@ -1225,12 +1235,12 @@
    <slot>setValue(int)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>181</x>
-     <y>319</y>
+     <x>361</x>
+     <y>439</y>
     </hint>
     <hint type="destinationlabel">
-     <x>798</x>
-     <y>314</y>
+     <x>831</x>
+     <y>447</y>
     </hint>
    </hints>
   </connection>
@@ -1241,12 +1251,12 @@
    <slot>setValue(int)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>798</x>
-     <y>314</y>
+     <x>831</x>
+     <y>447</y>
     </hint>
     <hint type="destinationlabel">
-     <x>181</x>
-     <y>319</y>
+     <x>361</x>
+     <y>439</y>
     </hint>
    </hints>
   </connection>
@@ -1257,12 +1267,12 @@
    <slot>setEnabled(bool)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>211</x>
-     <y>122</y>
+     <x>200</x>
+     <y>42</y>
     </hint>
     <hint type="destinationlabel">
-     <x>257</x>
-     <y>151</y>
+     <x>200</x>
+     <y>42</y>
     </hint>
    </hints>
   </connection>
@@ -1273,23 +1283,39 @@
    <slot>setEnabled(bool)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>230</x>
-     <y>124</y>
+     <x>200</x>
+     <y>42</y>
     </hint>
     <hint type="destinationlabel">
-     <x>319</x>
-     <y>187</y>
+     <x>200</x>
+     <y>42</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btnUseDefaultFile</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>chooseFile</receiver>
+   <slot>setHidden(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>754</x>
+     <y>216</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>801</x>
+     <y>213</y>
     </hint>
    </hints>
   </connection>
  </connections>
  <buttongroups>
-  <buttongroup name="verticalSpeed"/>
   <buttongroup name="buttonGroup_2"/>
   <buttongroup name="buttonGroup_3"/>
   <buttongroup name="buttonGroup_4"/>
   <buttongroup name="buttonGroup_5"/>
   <buttongroup name="buttonGroup_6"/>
+  <buttongroup name="verticalSpeed"/>
   <buttongroup name="buttonGroup"/>
  </buttongroups>
 </ui>