Sorting is a modifying operation => grab the children afterwards.

1 files changed, 1 insertions, 1 deletions

diff --git a/container-search/src/main/java/com/yahoo/search/grouping/vespa/ResultBuilder.java b/container-search/src/main/java/com/yahoo/search/grouping/vespa/ResultBuilder.java
index ff029527f1c..7f006b098cd 100644
--- a/container-search/src/main/java/com/yahoo/search/grouping/vespa/ResultBuilder.java
+++ b/container-search/src/main/java/com/yahoo/search/grouping/vespa/ResultBuilder.java
@@ -326,9 +326,9 @@ class ResultBuilder {
         void addGroup(com.yahoo.searchlib.aggregation.Group execGroup) {
             GroupBuilder groupBuilder = getOrCreateGroup(execGroup);
             if (execGroup.getNumChildren() > 0) {
+                execGroup.sortChildrenByRank();
                 List<com.yahoo.searchlib.aggregation.Group> children = execGroup.getChildren();
                 boolean ranked = children.get(0).isRankedByRelevance();
-                execGroup.sortChildrenByRank();
                 for (com.yahoo.searchlib.aggregation.Group childGroup : children) {
                     GroupListBuilder childList = groupBuilder.getOrCreateChildList(childGroup.getTag(), ranked);
                     childList.addGroup(childGroup);