diff --git a/mappings/document.js b/mappings/document.js
index da22b396..d04bd8e8 100644
--- a/mappings/document.js
+++ b/mappings/document.js
@@ -166,7 +166,7 @@ var schema = {
     bounding_box: require('./partial/boundingbox'),
 
     // meta info
-    source_id: keyword,
+    source_id: keyword_with_doc_values,
     category: keyword,
     population: multiplier,
     popularity: multiplier,
diff --git a/test/fixtures/expected.json b/test/fixtures/expected.json
index be715c99..b30102f4 100644
--- a/test/fixtures/expected.json
+++ b/test/fixtures/expected.json
@@ -2986,8 +2986,7 @@
         "index": false
       },
       "source_id": {
-        "type": "keyword",
-        "doc_values": false
+        "type": "keyword"
       },
       "category": {
         "type": "keyword",
@@ -3051,4 +3050,4 @@
     },
     "dynamic": "strict"
   }
-}
+}
\ No newline at end of file