diff --git a/res/layout/main.xml b/res/layout/main.xml
index 6e60b03..0996db7 100644
--- a/res/layout/main.xml
+++ b/res/layout/main.xml
@@ -5,8 +5,9 @@
     android:layout_height="fill_parent"
     >
   <EditText android:id="@+id/edit_message"
-    android:layout_width="wrap_content"
+    android:layout_width="0dp"
     android:layout_height="wrap_content"
+    android:layout_weight="1"
     android:hint="@string/edit_message" />
   <Button
     android:layout_width="wrap_content"