diff --git a/InCallUI/res/layout-w500dp-land/call_card_fragment.xml b/InCallUI/res/layout-w500dp-land/call_card_fragment.xml
index 597bf4f..343c4da 100644
--- a/InCallUI/res/layout-w500dp-land/call_card_fragment.xml
+++ b/InCallUI/res/layout-w500dp-land/call_card_fragment.xml
@@ -190,14 +190,20 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
 
+    <!-- Margin left and centerHorizontal don't work well together, so use a Space instead. -->
+    <Space
+        android:id="@+id/floating_end_call_action_button_margin_left"
+        android:layout_width="@dimen/end_call_button_margin_left"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true" />
+
      <FrameLayout
         android:id="@+id/floating_end_call_action_button_container"
         android:layout_width="@dimen/end_call_floating_action_button_diameter"
         android:layout_height="@dimen/end_call_floating_action_button_diameter"
         android:background="@drawable/fab_red"
-        android:layout_alignParentRight="true"
+        android:layout_toRightOf="@id/floating_end_call_action_button_margin_left"
         android:layout_alignParentBottom="true"
-        android:layout_marginRight="@dimen/end_call_button_margin_right"
         android:layout_marginBottom="@dimen/end_call_button_margin_bottom">
         <ImageButton android:id="@+id/floating_end_call_action_button"
             android:layout_width="match_parent"
diff --git a/InCallUI/res/values-w500dp-land/dimens.xml b/InCallUI/res/values-w500dp-land/dimens.xml
index 01cf165..42b0886 100644
--- a/InCallUI/res/values-w500dp-land/dimens.xml
+++ b/InCallUI/res/values-w500dp-land/dimens.xml
@@ -33,5 +33,5 @@
 
     <dimen name="video_preview_margin">20dp</dimen>
 
-    <dimen name="end_call_button_margin_right">80dp</dimen>
+    <dimen name="end_call_button_margin_left">50dp</dimen>
 </resources>