1 files changed, 13 insertions, 2 deletions
diff --git a/container-search/src/main/java/com/yahoo/search/grouping/request/BooleanValue.java b/container-search/src/main/java/com/yahoo/search/grouping/request/BooleanValue.java
index 8b8903c9a8d..32ef3c16d2e 100644
--- a/container-search/src/main/java/com/yahoo/search/grouping/request/BooleanValue.java
+++ b/container-search/src/main/java/com/yahoo/search/grouping/request/BooleanValue.java
@@ -4,7 +4,8 @@ package com.yahoo.search.grouping.request;
 /**
  * This class represents a constant {@link Boolean} value in a {@link GroupingExpression}.
  *
- * @author <a href="mailto:lulf@yahoo-inc.com">Ulf Lilleengen</a>
+ * @author Ulf Lilleengen
+ * @author bratseth
  */
 public class BooleanValue extends ConstantValue<Boolean> {
 
@@ -14,6 +15,16 @@ public class BooleanValue extends ConstantValue<Boolean> {
      * @param value The immutable value to assign to this.
      */
     public BooleanValue(Boolean value) {
-        super(value);
+        super(null, null, value);
     }
+
+    private BooleanValue(String label, Integer level, Boolean value) {
+        super(label, level, value);
+    }
+
+    @Override
+    public BooleanValue copy() {
+        return new BooleanValue(getLabel(), getLevelOrNull(), getValue());
+    }
+
 }