diff --git a/corda/workflows/src/main/java/djmil/cordacheckers/gamestate/CommitTrx.java b/corda/workflows/src/main/java/djmil/cordacheckers/gamestate/CommitTrx.java
index 7141c5e..5a1fa03 100644
--- a/corda/workflows/src/main/java/djmil/cordacheckers/gamestate/CommitTrx.java
+++ b/corda/workflows/src/main/java/djmil/cordacheckers/gamestate/CommitTrx.java
@@ -7,6 +7,7 @@ import java.util.List;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import djmil.cordacheckers.VNode;
 import net.corda.v5.application.flows.CordaInject;
 import net.corda.v5.application.flows.InitiatingFlow;
 import net.corda.v5.application.flows.SubFlow;
@@ -18,6 +19,7 @@ import net.corda.v5.base.types.MemberX500Name;
 import net.corda.v5.crypto.SecureHash;
 import net.corda.v5.ledger.utxo.UtxoLedgerService;
 import net.corda.v5.ledger.utxo.transaction.UtxoSignedTransaction;
+import net.corda.v5.membership.MemberInfo;
 
 @InitiatingFlow(protocol = "gamestate-commit")
 public class CommitTrx implements SubFlow<SecureHash> {
@@ -25,7 +27,7 @@ public class CommitTrx implements SubFlow<SecureHash> {
     private final static Logger log = LoggerFactory.getLogger(CommitTrx.class);
     private final UtxoSignedTransaction utxTrxCandidate;
     private final MemberX500Name counterpartyName;
-    private final MemberX500Name custodyName;
+    private /*final*/ MemberX500Name custodyName;
 
     public CommitTrx(UtxoSignedTransaction signedTransaction, MemberX500Name counterpartyName) {
         this.utxTrxCandidate = signedTransaction;
@@ -61,6 +63,11 @@ public class CommitTrx implements SubFlow<SecureHash> {
         final FlowSession session = flowMessaging.initiateFlow(this.counterpartyName);
         List<FlowSession> sessionsList = new LinkedList<FlowSession>(Arrays.asList(session));
 
+        if (custodyName == null) {
+            custodyName = findCustodian().getName();
+            log.info("GameState: [UGLY FIX] backchain validation failure for custodian");
+        }
+
         if (custodyName != null) {
             sessionsList.add(flowMessaging.initiateFlow(custodyName));
         }
@@ -73,4 +80,13 @@ public class CommitTrx implements SubFlow<SecureHash> {
         log.info("GameState commit " +trxId);
         return trxId;
     }
+
+    @Suspendable
+    MemberInfo findCustodian() {
+        return memberLookup.lookup()
+            .stream()
+            .filter(member -> VNode.isCordaCherckersCustodian(member) )
+            .reduce((a,b) -> {throw new IllegalStateException("Multiple Custodian VNodes");})
+            .orElseThrow( () -> new IllegalStateException("No Custodian VNode found"));
+    }
 }