diff --git a/src/resources/control/Manager.java b/src/resources/control/Manager.java
index 2ea1ba87c..6b1b01749 100644
--- a/src/resources/control/Manager.java
+++ b/src/resources/control/Manager.java
@@ -35,7 +35,7 @@ import java.util.List;
  * A Manager is a class that will manage services, and generally controls the
  * program as a whole
  */
-public class Manager extends Service {
+public abstract class Manager extends Service {
 	
 	private static final ServerManager serverManager = ServerManager.getInstance();
 	private List <Service> children;
diff --git a/src/resources/control/Service.java b/src/resources/control/Service.java
index 9b12f08f9..49fba0b06 100644
--- a/src/resources/control/Service.java
+++ b/src/resources/control/Service.java
@@ -39,7 +39,7 @@ import resources.server_info.RelationalDatabase;
 /**
  * A Service is a class that does a specific job for the application
  */
-public class Service implements IntentReceiver {
+public abstract class Service implements IntentReceiver {
 	
 	private static final OutboundPacketService outboundPacketService = new OutboundPacketService();