diff --git a/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java b/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
index 99357be..f77a62c 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
@@ -438,11 +438,12 @@
 	public Collection<Class<? extends IFloodlightService>> getModuleDependencies() {
 	    Collection<Class<? extends IFloodlightService>> l =
 	            new ArrayList<Class<? extends IFloodlightService>>();
-        l.add(IFloodlightProviderService.class);
-        //l.add(IDeviceService.class);
-        l.add(IDatagridService.class);
-        l.add(IThreadPoolService.class);
-        return l;
+	        l.add(IFloodlightProviderService.class);
+	        //l.add(IDeviceService.class);
+	        l.add(IDatagridService.class);
+	        l.add(IThreadPoolService.class);
+		l.add(ILinkDiscoveryService.class);
+	        return l;
 	}
 
 	@Override
diff --git a/src/main/java/net/onrc/onos/registry/controller/StandaloneRegistry.java b/src/main/java/net/onrc/onos/registry/controller/StandaloneRegistry.java
index 422949a..1e2934b 100755
--- a/src/main/java/net/onrc/onos/registry/controller/StandaloneRegistry.java
+++ b/src/main/java/net/onrc/onos/registry/controller/StandaloneRegistry.java
@@ -6,6 +6,7 @@
 import java.util.List;
 import java.util.Map;
 
+import net.floodlightcontroller.core.IFloodlightProviderService;
 import net.floodlightcontroller.core.module.FloodlightModuleContext;
 import net.floodlightcontroller.core.module.FloodlightModuleException;
 import net.floodlightcontroller.core.module.IFloodlightModule;
@@ -160,7 +161,8 @@
 	public Collection<Class<? extends IFloodlightService>> getModuleDependencies() {
 		Collection<Class<? extends IFloodlightService>> l =
                 new ArrayList<Class<? extends IFloodlightService>>();
-        l.add(IRestApiService.class);
+		l.add(IFloodlightProviderService.class);
+		l.add(IRestApiService.class);
 		return l;
 	}
 
diff --git a/src/main/java/net/onrc/onos/registry/controller/ZookeeperRegistry.java b/src/main/java/net/onrc/onos/registry/controller/ZookeeperRegistry.java
index b496321..8a2af13 100755
--- a/src/main/java/net/onrc/onos/registry/controller/ZookeeperRegistry.java
+++ b/src/main/java/net/onrc/onos/registry/controller/ZookeeperRegistry.java
@@ -10,6 +10,7 @@
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
+import net.floodlightcontroller.core.IFloodlightProviderService;
 import net.floodlightcontroller.core.module.FloodlightModuleContext;
 import net.floodlightcontroller.core.module.FloodlightModuleException;
 import net.floodlightcontroller.core.module.IFloodlightModule;
@@ -468,7 +469,8 @@
 	public Collection<Class<? extends IFloodlightService>> getModuleDependencies() {
 		Collection<Class<? extends IFloodlightService>> l =
                 new ArrayList<Class<? extends IFloodlightService>>();
-        l.add(IRestApiService.class);
+		l.add(IFloodlightProviderService.class);
+		l.add(IRestApiService.class);
 		return l;
 	}