diff --git a/fdbclient/CommitTransaction.h b/fdbclient/CommitTransaction.h
index 614bdb8e01..53c87c43bd 100644
--- a/fdbclient/CommitTransaction.h
+++ b/fdbclient/CommitTransaction.h
@@ -208,7 +208,7 @@ struct CommitTransactionRef {
 			if (ar.protocolVersion().hasReportConflictingKeys()) {
 				serializer(ar, report_conflicting_keys);
 			}
-			if (ar.protocolVersion().version() >= (uint64_t)0x0FDB00B071000000LL) {
+			if (ar.protocolVersion().hasResolverPrivateMutations()) {
 				serializer(ar, lock_aware, spanContext);
 			}
 		}
diff --git a/flow/ProtocolVersion.h b/flow/ProtocolVersion.h
index 78e375269b..a6561c91ab 100644
--- a/flow/ProtocolVersion.h
+++ b/flow/ProtocolVersion.h
@@ -163,6 +163,7 @@ public: // introduced features
 	PROTOCOL_VERSION_FEATURE(0x0FDB00B071010000LL, PerpetualWiggleMetadata);
 	PROTOCOL_VERSION_FEATURE(0x0FDB00B071010000LL, Tenants);
 	PROTOCOL_VERSION_FEATURE(0x0FDB00B071010000LL, StorageInterfaceReadiness);
+	PROTOCOL_VERSION_FEATURE(0x0FDB00B071010000LL, ResolverPrivateMutations);
 };
 
 template <>