diff --git a/hsarback/src/de/hsadmin/mods/dom/DomainModuleImpl.java b/hsarback/src/de/hsadmin/mods/dom/DomainModuleImpl.java
index 81ee907..b63e151 100644
--- a/hsarback/src/de/hsadmin/mods/dom/DomainModuleImpl.java
+++ b/hsarback/src/de/hsadmin/mods/dom/DomainModuleImpl.java
@@ -215,6 +215,9 @@ public class DomainModuleImpl extends AbstractModuleImpl {
 			if (!isPacAdmin && !isCustomer && !isHostmaster) {
 				throw new AuthorisationException(loginUser, method, dom);
 			}
+			if (dom.isPacDomain() && !dom.getUser().getName().equals(domPac.getName())) {
+				throw new AuthorisationException(loginUser, method, dom);
+			}
 			if (dom.isPacDomain() && !isHostmaster && !"add".equals(method)) {
 				throw new AuthorisationException(loginUser, method, dom);
 			}