diff --git a/process/Organisation_lib/process.js b/process/Organisation_lib/process.js
index d173872ccf02570cd9b4298e7795abbe0f64ee48..a5500b246465d5d168849d0303d1da8d6c96e1cc 100644
--- a/process/Organisation_lib/process.js
+++ b/process/Organisation_lib/process.js
@@ -20,6 +20,30 @@ import("KeywordRegistry_basic");
  */
 function OrgUtils() {}
 
+/**
+ * checks if a organisationid is the id of the dummy organisation "private"
+ * 
+ * @param {String} pOrganisationId the id that shall be checked
+ *
+ * @return {boolean} true if passed organisationid is organisationid of the dummy organisation "private"
+ */
+OrgUtils.isPrivateOrganisationId = function(pOrganisationId)
+{
+    //TODO: use this function everywhere instead of manual checks
+    return pOrganisationId.trim() == OrgUtils.getPrivateOrganisationId();
+}
+
+/**
+ * returns the image for a organisation
+ * 
+ * @return {String} hard coded organisationid of the dummy organisation "private"
+ */
+OrgUtils.getPrivateOrganisationId = function()
+{
+    //TODO: use this function everywhere instead of hardcoded organisationids "0"
+    return "0";
+}
+
 /**
  * returns the image for a organisation
  * 
diff --git a/process/StandardObject_lib/process.js b/process/StandardObject_lib/process.js
index 772d1e21ee1a13df0cbed76d5b8c837ec682e8ef..5e8a368ff6f34abf5c60fb08ce0b39828d117350 100644
--- a/process/StandardObject_lib/process.js
+++ b/process/StandardObject_lib/process.js
@@ -1,3 +1,4 @@
+import("Organisation_lib");
 import("system.db");
 import("Keyword_lib");
 import("KeywordRegistry_basic");
@@ -227,6 +228,8 @@ StandardObject.prototype._setContactStandardAddress = function (pAddressID, pCon
  * @return Standard address of the organisation or null.
  */
 StandardObject.prototype._getCompanyStandardAddress = function (pOrganisationID) {
+    if (OrgUtils.isPrivateOrganisationId(pOrganisationID))
+        return null;
     var addressIdResult = db.cell("select ADDRESS_ID from CONTACT"
         + " where ORGANISATION_ID = '" + pOrganisationID + "'"
         + " and ADDRESS_ID is not null and PERSON_ID is null");