diff --git a/core/src/main/java/org/elasticsearch/index/query/MoreLikeThisQueryParser.java b/core/src/main/java/org/elasticsearch/index/query/MoreLikeThisQueryParser.java
index 868b9e0b83a..8822e8fb6e3 100644
--- a/core/src/main/java/org/elasticsearch/index/query/MoreLikeThisQueryParser.java
+++ b/core/src/main/java/org/elasticsearch/index/query/MoreLikeThisQueryParser.java
@@ -256,7 +256,7 @@ public class MoreLikeThisQueryParser extends BaseQueryParserTemp {
 
             for (TermVectorsRequest item : items) {
                 if (item.index() == null) {
-                    item.index(parseContext.index().name());
+                    item.index(context.index().name());
                 }
                 if (item.type() == null) {
                     if (context.queryTypes().size() > 1) {