diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/PrefsDelegate.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/PrefsDelegate.java
index a9a8dcdf5..ce85ac314 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/PrefsDelegate.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/PrefsDelegate.java
@@ -383,6 +383,10 @@ public class PrefsDelegate extends DelegateBase
         if ( ! BuildConfig.WIDIR_ENABLED ) {
             hideOne( R.string.key_enable_p2p, R.string.key_network_behavior );
         }
+
+        if ( null == FBMService.getFCMDevID( m_activity ) ) {
+            hideOne( R.string.key_show_fcm, R.string.pref_group_relay_title );
+        }
     }
 
     public static void launch( Context context )
diff --git a/xwords4/android/app/src/main/res/xml/xwprefs.xml b/xwords4/android/app/src/main/res/xml/xwprefs.xml
index 3440b09db..ed84bf7bd 100644
--- a/xwords4/android/app/src/main/res/xml/xwprefs.xml
+++ b/xwords4/android/app/src/main/res/xml/xwprefs.xml
@@ -398,6 +398,7 @@
 
     <PreferenceScreen android:title="@string/pref_group_relay_title"
                       android:summary="@string/pref_group_relay_summary"
+                      android:key="@string/pref_group_relay_title"
                       >
       <org.eehouse.android.xw4.XWListPreference
           android:key="@string/key_relay_poll"