diff --git a/base/src/main/java/de/staropensource/sosengine/base/internal/types/DependencySubsystemVector.java b/base/src/main/java/de/staropensource/sosengine/base/internal/types/DependencySubsystemVector.java
index 1d06b39..752915f 100644
--- a/base/src/main/java/de/staropensource/sosengine/base/internal/types/DependencySubsystemVector.java
+++ b/base/src/main/java/de/staropensource/sosengine/base/internal/types/DependencySubsystemVector.java
@@ -58,36 +58,34 @@ public class DependencySubsystemVector extends DependencyVector {
      * @since v1-alpha1
      */
     public DependencySubsystemVector(@NotNull DependencyVector vector, @NotNull SubsystemMainClass mainClass) {
-        super(vector.getIdentifier(), vector.getVersioningSystem(), vector.getVersion(), vector.getDependencies());
+        super(mainClass.getName(), vector.getVersioningSystem(), vector.getVersion(), vector.getDependencies());
         this.mainClass = mainClass;
     }
 
     /**
      * Creates a new dependency vector.
      *
-     * @param identifier       identifier
      * @param versioningSystem versioning system to use
      * @param version          version
      * @param dependencies     dependencies in the usual format ({@code dependencyA}, {@code dependencyB=5.1}, {@code dependencyC>3.1}, {@code dependencyD<6.1})
      * @param mainClass        {@link SubsystemMainClass} to associate
      * @since v1-alpha1
      */
-    public DependencySubsystemVector(@NotNull String identifier, @NotNull Class<? extends VersioningSystem> versioningSystem, @NotNull String version, @NotNull List<@NotNull String> dependencies, @NotNull SubsystemMainClass mainClass) {
-        super(identifier, versioningSystem, version, dependencies);
+    public DependencySubsystemVector(@NotNull Class<? extends VersioningSystem> versioningSystem, @NotNull String version, @NotNull List<@NotNull String> dependencies, @NotNull SubsystemMainClass mainClass) {
+        super(mainClass.getName(), versioningSystem, version, dependencies);
         this.mainClass = mainClass;
     }
 
     /**
      * Creates a new dependency vector.
      *
-     * @param identifier       identifier
      * @param versioningSystem versioning system to use
      * @param version          version
      * @param mainClass        {@link SubsystemMainClass} to associate
      * @since v1-alpha1
      */
-    public DependencySubsystemVector(@NotNull String identifier, @NotNull Class<? extends VersioningSystem> versioningSystem, @NotNull String version, @NotNull SubsystemMainClass mainClass) {
-        super(identifier, versioningSystem, version);
+    public DependencySubsystemVector(@NotNull Class<? extends VersioningSystem> versioningSystem, @NotNull String version, @NotNull SubsystemMainClass mainClass) {
+        super(mainClass.getName(), versioningSystem, version);
         this.mainClass = mainClass;
     }
 }