diff --git a/org.eclipse.triquetrum.commands.api/src/main/java/org/eclipse/triquetrum/commands/api/TqCLServices.java b/org.eclipse.triquetrum.commands.api/src/main/java/org/eclipse/triquetrum/commands/api/TqCLServices.java
index 0834e1f3..866b7b05 100644
--- a/org.eclipse.triquetrum.commands.api/src/main/java/org/eclipse/triquetrum/commands/api/TqCLServices.java
+++ b/org.eclipse.triquetrum.commands.api/src/main/java/org/eclipse/triquetrum/commands/api/TqCLServices.java
@@ -26,6 +26,8 @@ public class TqCLServices implements BundleActivator {
 	private static BundleContext context;
 	
 	private static TqCLServices instance;
+	
+	private TcQLLibraryProviderProxy tcQLLibraryProviderProxy;
 
 	static BundleContext getContext() {
 		return context;
@@ -40,6 +42,9 @@ static BundleContext getContext() {
 	public void start(BundleContext bundleContext) throws Exception {
 		TqCLServices.context = bundleContext;
 		instance=this;
+		
+		ServiceReference<TcQLLibraryProviderProxy> serviceReference = getContext().getServiceReference(TcQLLibraryProviderProxy.class);
+		tcQLLibraryProviderProxy = getContext().getService(serviceReference);
 	}
 
 	/*
@@ -80,9 +85,7 @@ public ModelBuilderService getModelBuilderService(Class<?> modelClass) {
 	
 	public TqCLLibraryProvider getTqclLibraryProvider()
 	{
-		ServiceReference<TcQLLibraryProviderProxy> serviceReference = getContext().getServiceReference(TcQLLibraryProviderProxy.class);
-		TcQLLibraryProviderProxy service = getContext().getService(serviceReference);
-		return service;
+		return tcQLLibraryProviderProxy;
 	}
 	
 
diff --git a/org.eclipse.triquetrum.workflow.editor/src/main/java/org/eclipse/triquetrum/workflow/editor/TriquetrumLibraryProvider.java b/org.eclipse.triquetrum.workflow.editor/src/main/java/org/eclipse/triquetrum/workflow/editor/TriquetrumLibraryProvider.java
index 07417335..338aa357 100644
--- a/org.eclipse.triquetrum.workflow.editor/src/main/java/org/eclipse/triquetrum/workflow/editor/TriquetrumLibraryProvider.java
+++ b/org.eclipse.triquetrum.workflow.editor/src/main/java/org/eclipse/triquetrum/workflow/editor/TriquetrumLibraryProvider.java
@@ -12,6 +12,8 @@
 import org.eclipse.core.runtime.IExtension;
 import org.eclipse.core.runtime.IExtensionPoint;
 import org.eclipse.core.runtime.Platform;
+import org.eclipse.swt.events.DisposeListener;
+import org.eclipse.swt.widgets.Display;
 import org.eclipse.triquetrum.commands.api.services.ActorDescriptor;
 import org.eclipse.triquetrum.commands.api.services.DirectorDescriptor;
 import org.eclipse.triquetrum.commands.api.services.EntityDescriptor;
@@ -41,7 +43,11 @@ public class TriquetrumLibraryProvider implements TqCLLibraryProvider {
 	private Map<String, PortDescriptor> ports = new HashMap<>();
 
 	private boolean initialized = false;
-
+	
+	public TriquetrumLibraryProvider() {
+		init();
+	}
+	
 	private void init() {
 		if (initialized) {
 			return;
@@ -176,32 +182,27 @@ public void fillPorts(ActorDescriptor actorDescriptor, Entity<?> entity) {
 
 	@Override
 	public List<ActorDescriptor> getActors(String library) throws TqCLLibraryException {
-		init();
 		return new ArrayList<>(actors.values());
 	}
 
 	@Override
 	public List<DirectorDescriptor> getDirectors(String library) throws TqCLLibraryException {
-		init();
 		return new ArrayList<>(directors.values());
 	}
 
 	@Override
 	public List<ParameterDescriptor> getParameterTypes(String library) throws TqCLLibraryException {
 
-		init();
 		return new ArrayList<>(parameters.values());
 	}
 
 	@Override
 	public List<PortDescriptor> getPortTypes(String library) throws TqCLLibraryException {
-		init();
 		return new ArrayList<>(ports.values());
 	}
 
 	@Override
 	public List<PortDescriptor> getActorPorts(String actor) throws TqCLLibraryException {
-		init();
 		return actors.get(actor).getPorts();
 	}
 
@@ -243,7 +244,6 @@ public DirectorDescriptor getDirector(String directorClass) throws TqCLLibraryEx
 
 	@Override
 	public boolean hasElementInLibrary(String element, String library, String category) {
-		init();
 		if (getLibraryNames().contains(library)) {
 			BoCategory boCategory = BoCategory.valueOf(StringUtils.capitalize(category));
 			switch (boCategory) {