diff --git a/src/host/Host.cc b/src/host/Host.cc
index dba4c00490..f29af55f8c 100644
--- a/src/host/Host.cc
+++ b/src/host/Host.cc
@@ -495,7 +495,7 @@ int Host::update_monitoring(SqlDB * db)
         goto error_xml;
     }
 
-    oss << "INSERT INTO " << monit_table << " ("<< monit_db_names <<") VALUES ("
+    oss << "REPLACE INTO " << monit_table << " ("<< monit_db_names <<") VALUES ("
         <<          oid             << ","
         <<          last_monitored       << ","
         << "'" <<   sql_xml         << "')";
diff --git a/src/vm/VirtualMachine.cc b/src/vm/VirtualMachine.cc
index 6b4cf5bac2..bf2d083104 100644
--- a/src/vm/VirtualMachine.cc
+++ b/src/vm/VirtualMachine.cc
@@ -1346,7 +1346,7 @@ int VirtualMachine::update_monitoring(SqlDB * db)
         goto error_xml;
     }
 
-    oss << "INSERT INTO " << monit_table << " ("<< monit_db_names <<") VALUES ("
+    oss << "REPLACE INTO " << monit_table << " ("<< monit_db_names <<") VALUES ("
         <<          oid             << ","
         <<          last_poll       << ","
         << "'" <<   sql_xml         << "')";