diff --git a/AlgebraicDataflowArchitectureModel/src/models/webServices/WebServicesInfo.java b/AlgebraicDataflowArchitectureModel/src/models/webServices/WebServicesInfo.java
index 1799ea6..ae87fff 100644
--- a/AlgebraicDataflowArchitectureModel/src/models/webServices/WebServicesInfo.java
+++ b/AlgebraicDataflowArchitectureModel/src/models/webServices/WebServicesInfo.java
@@ -42,8 +42,7 @@
 	 * 
 	 * @return added instance
 	 */
-	public WebServicesInfo addService(final Service serive) {
-		this.services.add(serive);
-		return new WebServicesInfo(this);
+	public void addService(final Service service) {
+		this.services.add(service);
 	}
 }