diff --git a/lucene/core/src/java/org/apache/lucene/index/MultiDocValues.java b/lucene/core/src/java/org/apache/lucene/index/MultiDocValues.java
index 3d30898807c..7f2acafa61d 100644
--- a/lucene/core/src/java/org/apache/lucene/index/MultiDocValues.java
+++ b/lucene/core/src/java/org/apache/lucene/index/MultiDocValues.java
@@ -144,6 +144,7 @@ public class MultiDocValues {
             values.get(docID - leaves.get(subIndex).docBase, result);
           } else {
             result.length = 0;
+            result.offset = 0;
             result.bytes = BinaryDocValues.MISSING;
           }
         }
diff --git a/lucene/core/src/test/org/apache/lucene/search/TestSimpleExplanations.java b/lucene/core/src/test/org/apache/lucene/search/TestSimpleExplanations.java
index 190a2d2feae..e863da59c43 100644
--- a/lucene/core/src/test/org/apache/lucene/search/TestSimpleExplanations.java
+++ b/lucene/core/src/test/org/apache/lucene/search/TestSimpleExplanations.java
@@ -22,7 +22,6 @@ import org.apache.lucene.index.Term;
 /**
  * TestExplanations subclass focusing on basic query types
  */
-// nocommit: WTF ant test  -Dtestcase=TestSimpleExplanations -Dtests.method=testFQ2 -Dtests.seed=ED13809D5BBA6703 -Dtests.slow=true -Dtests.locale=fr_CH -Dtests.timezone=Brazil/Acre -Dtests.file.encoding=US-ASCII
 public class TestSimpleExplanations extends TestExplanations {
 
   // we focus on queries that don't rewrite to other queries.