diff --git a/components/cluster/clusterlistener.cpp b/components/cluster/clusterlistener.cpp
index 1a85d899a..fb6af6117 100644
--- a/components/cluster/clusterlistener.cpp
+++ b/components/cluster/clusterlistener.cpp
@@ -575,7 +575,7 @@ void ClusterListener::NewClientHandler(const Socket::Ptr& client, TlsRole role)
 		}
 	}
 
-	Log(LogInformation, "cluster", "Sending " + Convert::ToString(config->GetLength()) + " config files to endpoint '" + endpoint->GetName() + "'.");
+	Log(LogInformation, "cluster", "Sending " + Convert::ToString(static_cast<long>(config->GetLength())) + " config files to endpoint '" + endpoint->GetName() + "'.");
 
 	Dictionary::Ptr params = boost::make_shared<Dictionary>();
 	params->Set("identity", GetIdentity());
diff --git a/lib/db_ido/dbconnection.cpp b/lib/db_ido/dbconnection.cpp
index a87b2077c..7345a993b 100644
--- a/lib/db_ido/dbconnection.cpp
+++ b/lib/db_ido/dbconnection.cpp
@@ -112,10 +112,10 @@ void DbConnection::ProgramStatusHandler(void)
 	query3.WhereCriteria->Set("instance_id", 0);  /* DbConnection class fills in real ID */
 	DbObject::OnQuery(query3);
 
-	InsertRuntimeVariable("total_services", DynamicType::GetObjects<Service>().size());
-	InsertRuntimeVariable("total_scheduled_services", DynamicType::GetObjects<Service>().size());
-	InsertRuntimeVariable("total_hosts", DynamicType::GetObjects<Host>().size());
-	InsertRuntimeVariable("total_scheduled_hosts", DynamicType::GetObjects<Host>().size());
+	InsertRuntimeVariable("total_services", static_cast<long>(DynamicType::GetObjects<Service>().size()));
+	InsertRuntimeVariable("total_scheduled_services", static_cast<long>(DynamicType::GetObjects<Service>().size()));
+	InsertRuntimeVariable("total_hosts", static_cast<long>(DynamicType::GetObjects<Host>().size()));
+	InsertRuntimeVariable("total_scheduled_hosts", static_cast<long>(DynamicType::GetObjects<Host>().size()));
 }
 
 void DbConnection::CleanUpHandler(void)
diff --git a/lib/db_ido/servicedbobject.cpp b/lib/db_ido/servicedbobject.cpp
index 391925c2e..d62c23ead 100644
--- a/lib/db_ido/servicedbobject.cpp
+++ b/lib/db_ido/servicedbobject.cpp
@@ -885,7 +885,7 @@ void ServiceDbObject::AddNotificationHistory(const Service::Ptr& service, const
 	}
 
 	fields1->Set("escalated", 0);
-	fields1->Set("contacts_notified", users.size());
+	fields1->Set("contacts_notified", static_cast<long>(users.size()));
 	fields1->Set("instance_id", 0); /* DbConnection class fills in real ID */
 
 	query1.Fields = fields1;