diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardDelegate.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardDelegate.java
index db6f32c9e..4d3dd8de2 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardDelegate.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardDelegate.java
@@ -2119,7 +2119,8 @@ public class BoardDelegate extends DelegateBase
 
     private void pingBTRemotes()
     {
-        if ( m_connTypes.contains( CommsConnType.COMMS_CONN_BT ) ) {
+        if ( null != m_connTypes
+             && m_connTypes.contains( CommsConnType.COMMS_CONN_BT ) ) {
             CommsAddrRec[] addrs = XwJNI.comms_getAddrs( m_jniGamePtr );
             for ( CommsAddrRec addr : addrs ) {
                 if ( addr.contains( CommsConnType.COMMS_CONN_BT ) ) {