1 files changed, 3 insertions, 0 deletions
diff --git a/src/mongo/db/repl/replication_info.cpp b/src/mongo/db/repl/replication_info.cpp
index 02a7a6f8a81..9852803a3b3 100644
--- a/src/mongo/db/repl/replication_info.cpp
+++ b/src/mongo/db/repl/replication_info.cpp
@@ -210,6 +210,9 @@ public:
                 "--slave in simple master/slave setups.\n";
         help << "{ isMaster : 1 }";
     }
+    virtual bool supportsWriteConcern(const BSONObj& cmd) const override {
+        return false;
+    }
     virtual void addRequiredPrivileges(const std::string& dbname,
                                        const BSONObj& cmdObj,
                                        std::vector<Privilege>* out) {}  // No auth required