diff --git a/openbis/source/java/service.properties b/openbis/source/java/service.properties
index e668105ce4867b5eb48ea515d03a82cdd94ce1f6..21eccb97a98c74ae111f9cda544381d48aa6cd08 100644
--- a/openbis/source/java/service.properties
+++ b/openbis/source/java/service.properties
@@ -52,7 +52,7 @@ hibernate.search.index-base = ./targets/indices-${database.kind}
 # One of NO_INDEX, SKIP_IF_MARKER_FOUND, INDEX_FROM_SCRATCH.
 # If not specified, default (SKIP_IF_MARKER_FOUND) is taken.
 #hibernate.search.index-mode = SKIP_IF_MARKER_FOUND
-hibernate.search.index-mode = INDEX_FROM_SCRATCH
+hibernate.search.index-mode = SKIP_IF_MARKER_FOUND
 # Defines the maximum number of elements indexed before flushing the transaction-bound queue.
 # Default is 1000.
 hibernate.search.batch-size = 1000