diff --git a/types/elasticsearch/index.d.ts b/types/elasticsearch/index.d.ts
index 9560a6e7a5..39b2e2c9fd 100644
--- a/types/elasticsearch/index.d.ts
+++ b/types/elasticsearch/index.d.ts
@@ -10,6 +10,7 @@
 //                 Paul Brabban <https://github.com/brabster>
 //                 Budi Irawan <https://github.com/deerawan>
 //                 Yonatan Kiron <https://github.com/YonatanKiron>
+//                 Jani Šumak <https://github.com/dasdachs>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.2
 
@@ -1285,15 +1286,16 @@ export interface IndicesPutAliasParams extends GenericParams {
 }
 
 export interface IndicesPutMappingParams extends GenericParams {
-    timeout?: TimeSpan;
-    masterTimeout?: TimeSpan;
-    ignoreUnavailable?: boolean;
-    allowNoIndices?: boolean;
-    expandWildcards?: ExpandWildcards;
-    updateAllTypes?: boolean;
-    index: NameList;
-    type: string;
-    body: any;
+  timeout?: TimeSpan;
+  masterTimeout?: TimeSpan;
+  ignoreUnavailable?: boolean;
+  allowNoIndices?: boolean;
+  expandWildcards?: ExpandWildcards;
+  updateAllTypes?: boolean;
+  index: NameList;
+  type: string;
+  includeTypeName?: boolean;
+  body: any;
 }
 
 export interface IndicesPutSettingsParams extends GenericParams {