diff --git a/data/gui/options_input.stkgui b/data/gui/options_input.stkgui
index 9b85e15e1..fd89a1a2a 100644
--- a/data/gui/options_input.stkgui
+++ b/data/gui/options_input.stkgui
@@ -103,7 +103,7 @@
 
         <spacer width="50" height="10" /> 
  
-        <button id="add_device" proportion="1" width="25%" I18N="In the input configuration screen"  text="Add a device"/>
+        <button id="add_device" proportion="1" I18N="In the input configuration screen"  text="Add a device"/>
        
         <label text="* Which config to use will be inferred from which 'fire' key is pressed to join the game."
                proportion="2" word_wrap="true"/>