diff --git a/src/mon/MonCommands.h b/src/mon/MonCommands.h
index 918db816e4c..521b33f9749 100644
--- a/src/mon/MonCommands.h
+++ b/src/mon/MonCommands.h
@@ -274,6 +274,15 @@ COMMAND_WITH_FLAG("version", "show mon daemon version", "mon", "r", "cli,rest",
 COMMAND("node ls " \
 	"name=type,type=CephChoices,strings=all|osd|mon|mds,req=false",
 	"list all nodes in cluster [type]", "mon", "r", "cli,rest")
+/*
+ * Monitor-specific commands under module 'mon'
+ */
+COMMAND_WITH_FLAG("mon compact", \
+    "cause compaction of monitor's leveldb storage", \
+    "mon", "rw", "cli,rest", \
+    FLAG(NOFORWARD))
+
+
 /*
  * MDS commands (MDSMonitor.cc)
  */
diff --git a/src/mon/Monitor.cc b/src/mon/Monitor.cc
index ac1af1e5998..5b8de257466 100644
--- a/src/mon/Monitor.cc
+++ b/src/mon/Monitor.cc
@@ -2692,7 +2692,9 @@ void Monitor::handle_command(MMonCommand *m)
     pgmon()->dispatch(m);
     return;
   }
-  if (module == "mon") {
+  if (module == "mon" &&
+      /* 'mon compact' will be handled by the Monitor class */
+      prefix != "mon compact") {
     monmon()->dispatch(m);
     return;
   }
@@ -2737,7 +2739,7 @@ void Monitor::handle_command(MMonCommand *m)
     return;
   }
 
-  if (prefix == "compact") {
+  if (prefix == "compact" || prefix == "mon compact") {
     dout(1) << "triggering manual compaction" << dendl;
     utime_t start = ceph_clock_now(g_ceph_context);
     store->compact();