diff --git a/src/com/fsck/k9/activity/setup/FontSizeSettings.java b/src/com/fsck/k9/activity/setup/FontSizeSettings.java
index e95b5b5aa..b579f6cbe 100644
--- a/src/com/fsck/k9/activity/setup/FontSizeSettings.java
+++ b/src/com/fsck/k9/activity/setup/FontSizeSettings.java
@@ -143,7 +143,7 @@ public class FontSizeSettings extends K9PreferenceActivity {
             }
         );
         mMessageViewContentSlider.getOnPreferenceChangeListener().onPreferenceChange(
-                                  mMessageViewContentSlider, new Float(mMessageViewContentSlider.getValue()));
+                                  mMessageViewContentSlider, mMessageViewContentSlider.getValue());
 
         mMessageComposeInput = setupListPreference(
                 PREFERENCE_MESSAGE_COMPOSE_INPUT_FONT,