diff --git a/search-service-v1/search-service-server-v1/src/main/resources/index/mapping.json b/search-service-v1/search-service-server-v1/src/main/resources/index/mapping.json
index 02558d8..c74e131 100644
--- a/search-service-v1/search-service-server-v1/src/main/resources/index/mapping.json
+++ b/search-service-v1/search-service-server-v1/src/main/resources/index/mapping.json
@@ -11,7 +11,8 @@
     },
     "filename": {
       "type": "text",
-      "term_vector": "with_positions_offsets"
+      "term_vector": "with_positions_offsets",
+      "analyzer": "whitespace"
     },
     "date": {
       "type": "date"