diff --git a/src/mon/MgrMonitor.cc b/src/mon/MgrMonitor.cc
index 79b2a00233d..4aee578e3d1 100644
--- a/src/mon/MgrMonitor.cc
+++ b/src/mon/MgrMonitor.cc
@@ -54,6 +54,13 @@ void MgrMonitor::create_initial()
 	   << dendl;
 }
 
+void MgrMonitor::get_store_prefixes(std::set<string>& s) const
+{
+  s.insert(service_name);
+  s.insert(command_descs_prefix);
+  s.insert(MGR_METADATA_PREFIX);
+}
+
 void MgrMonitor::update_from_paxos(bool *need_bootstrap)
 {
   version_t version = get_last_committed();
diff --git a/src/mon/MgrMonitor.h b/src/mon/MgrMonitor.h
index de07d7f4302..2f24c4ad1ce 100644
--- a/src/mon/MgrMonitor.h
+++ b/src/mon/MgrMonitor.h
@@ -79,6 +79,7 @@ public:
   bool in_use() const { return map.epoch > 0; }
 
   void create_initial() override;
+  void get_store_prefixes(std::set<string>& s) const override;
   void update_from_paxos(bool *need_bootstrap) override;
   void create_pending() override;
   void encode_pending(MonitorDBStore::TransactionRef t) override;