diff --git a/installation/source/java/ch/systemsx/cisd/openbis/installer/izpack/SetEnableTechnologiesVariableAction.java b/installation/source/java/ch/systemsx/cisd/openbis/installer/izpack/SetEnableTechnologiesVariableAction.java
index 41858228bf659c99ca1e3e77224b7a6b64a65761..ab5bef2af98d48e4bfde8a8a32f8f708afd3d8a3 100644
--- a/installation/source/java/ch/systemsx/cisd/openbis/installer/izpack/SetEnableTechnologiesVariableAction.java
+++ b/installation/source/java/ch/systemsx/cisd/openbis/installer/izpack/SetEnableTechnologiesVariableAction.java
@@ -39,7 +39,7 @@ import ch.systemsx.cisd.common.shared.basic.string.CommaSeparatedListBuilder;
 public class SetEnableTechnologiesVariableAction implements PanelAction
 {
     static final String[] MODULES = { "monitoring-support", "dropbox-monitor", "dataset-uploader", 
-            "dataset-file-search", "xls-import", "openbis-sync" };
+            "dataset-file-search", "xls-import", "search-store", "openbis-sync" };
 
     static final String ENABLED_TECHNOLOGIES_VARNAME = "ENABLED_TECHNOLOGIES";
 
diff --git a/openbis_standard_technologies/dist/core-plugins/search-store/1/as/initialize-master-data.py b/openbis_standard_technologies/dist/core-plugins/search-store/1/as/initialize-master-data.py
index bf2f249601cf58c866ea9d2ff68c4b5d7c8217de..700887be494097f971962ba66a34fca4f7dbec26 100644
--- a/openbis_standard_technologies/dist/core-plugins/search-store/1/as/initialize-master-data.py
+++ b/openbis_standard_technologies/dist/core-plugins/search-store/1/as/initialize-master-data.py
@@ -75,7 +75,7 @@ def list_all_files(source_root_path):
 
 api = CommonServiceProvider.getApplicationContext().getBean(ApplicationServerApi.INTERNAL_SERVICE_NAME)
 sessionToken = api.loginAsSystem()
-props = CustomASServiceExecutionOptions().withParameter('xls', list_xls_byte_arrays()).withParameter('scripts', get_all_scripts())
+props = CustomASServiceExecutionOptions().withParameter('xls', list_xls_byte_arrays()).withParameter('update_mode', 'IGNORE_EXISTING').withParameter('scripts', get_all_scripts())
 result = api.executeCustomASService(sessionToken, CustomASServiceCode("xls-import-api"), props);
 print("======================== master-data xls ingestion result ========================")
 print(result)