diff --git a/changelog.md b/changelog.md
index 8bcfcc97d..12d63ee9d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,4 +1,4 @@
-* mkchromecast (0.3.1) **unreleased**:
+* mkchromecast (0.3.1) **released**: 2016/08/12
 
     - Improved Preferences window.
     - The node streaming has been updated to work with `node v6.3.1`.
diff --git a/mkchromecast/preferences.py b/mkchromecast/preferences.py
index ddc33c00d..7c8cf5f91 100644
--- a/mkchromecast/preferences.py
+++ b/mkchromecast/preferences.py
@@ -335,15 +335,14 @@ def reset_indexes(self):
         def onActivatedbk(self, text):
             self.config.read(self.configf)
             self.config.set('settings','backend',text)
-            self.write_config())
+            self.write_config()
             self.read_defaults()
             self.qccodec.clear()
             if self.backendconf == 'node':
                 codecs = ['mp3']
                 self.config.read(self.configf)
                 self.config.set('settings','codec','mp3')
-                with open(self.configf, 'w') as configfile:
-                        self.config.write(configfile)
+                self.write_config()
             else:
                 codecs = [
                     'mp3',
@@ -365,7 +364,7 @@ def onActivatedbk(self, text):
         def onActivatedcc(self, text):
             self.config.read(self.configf)
             self.config.set('settings','codec',text)
-            self.write_config())
+            self.write_config()
             self.read_defaults()
             self.qcbitrate.clear()
             if self.codecconf == 'wav':
@@ -396,31 +395,31 @@ def onActivatedcc(self, text):
         def onActivatedbt(self, text):
             self.config.read(self.configf)
             self.config.set('settings','bitrate',text)
-            self.write_config())
+            self.write_config()
             self.read_defaults()
 
         def onActivatedsr(self, text):
             self.config.read(self.configf)
             self.config.set('settings','samplerate',text)
-            self.write_config())
+            self.write_config()
             self.read_defaults()
 
         def onActivatednotify(self, text):
             self.config.read(self.configf)
             self.config.set('settings','notifications',text)
-            self.write_config())
+            self.write_config()
             self.read_defaults()
 
         def onActivatedcolors(self, text):
             self.config.read(self.configf)
             self.config.set('settings','colors',text)
-            self.write_config())
+            self.write_config()
             self.read_defaults()
 
         def onActivatedatlaunch(self, text):
             self.config.read(self.configf)
             self.config.set('settings','searchatlaunch',text)
-            self.write_config())
+            self.write_config()
             self.read_defaults()
 
         def read_defaults(self):
@@ -429,8 +428,7 @@ def read_defaults(self):
             if self.backendconf == 'node' and self.codecconf != 'mp3':
                 self.config.read(self.configf)
                 self.config.set('settings','codec','mp3')
-                with open(self.configf, 'w') as configfile:
-                        self.config.write(configfile)
+                self.write_config()
                 self.codecconf = ConfigSectionMap('settings')['codec']
             self.bitrateconf = ConfigSectionMap('settings')['bitrate']
             self.samplerateconf = ConfigSectionMap('settings')['samplerate']