diff --git a/src/ripple/app/misc/NetworkOPs.cpp b/src/ripple/app/misc/NetworkOPs.cpp
index b298a41db4..b4e493270e 100644
--- a/src/ripple/app/misc/NetworkOPs.cpp
+++ b/src/ripple/app/misc/NetworkOPs.cpp
@@ -1721,16 +1721,23 @@ void NetworkOPsImp::pubValidation (STValidation::ref val)
     {
         Json::Value jvObj (Json::objectValue);
 
+        auto const signerPublic = val->getSignerPublic();
+
         jvObj [jss::type]                  = "validationReceived";
         jvObj [jss::validation_public_key] = toBase58(
             TokenType::NodePublic,
-            val->getSignerPublic());
+            signerPublic);
         jvObj [jss::ledger_hash]           = to_string (val->getLedgerHash ());
         jvObj [jss::signature]             = strHex (val->getSignature ());
         jvObj [jss::full]                  = val->isFull();
         jvObj [jss::flags]                 = val->getFlags();
         jvObj [jss::signing_time]          = *(*val)[~sfSigningTime];
 
+        auto const masterKey = app_.validatorManifests().getMasterKey(signerPublic);
+
+        if(masterKey != signerPublic)
+            jvObj [jss::master_key] = toBase58(TokenType::NodePublic, masterKey);
+
         if (auto const seq = (*val)[~sfLedgerSequence])
             jvObj [jss::ledger_index] = to_string (*seq);
 
diff --git a/src/ripple/protocol/jss.h b/src/ripple/protocol/jss.h
index 9c9400e13a..1d95293751 100644
--- a/src/ripple/protocol/jss.h
+++ b/src/ripple/protocol/jss.h
@@ -322,7 +322,7 @@ JSS ( marker );                     // in/out: AccountTx, AccountOffers,
                                     //         AccountLines, AccountObjects,
                                     //         LedgerData
                                     // in: BookOffers
-JSS ( master_key );                 // out: WalletPropose
+JSS ( master_key );                 // out: WalletPropose, NetworkOPs
 JSS ( master_seed );                // out: WalletPropose
 JSS ( master_seed_hex );            // out: WalletPropose
 JSS ( master_signature );           // out: pubManifest