1 files changed, 2 insertions, 2 deletions
diff --git a/container-search/src/main/java/com/yahoo/prelude/query/SegmentItem.java b/container-search/src/main/java/com/yahoo/prelude/query/SegmentItem.java
index 1c3eb261f90..f70bf8021ff 100644
--- a/container-search/src/main/java/com/yahoo/prelude/query/SegmentItem.java
+++ b/container-search/src/main/java/com/yahoo/prelude/query/SegmentItem.java
@@ -102,7 +102,7 @@ public abstract class SegmentItem extends CompositeItem implements BlockItem {
     }
 
     private void dontAdd() {
-        throw new QueryException("Tried to add item to an immutable segment.");
+        throw new IllegalArgumentException("Tried to add item to an immutable segment.");
     }
 
     public Item removeItem(int index) {
@@ -120,7 +120,7 @@ public abstract class SegmentItem extends CompositeItem implements BlockItem {
     }
 
     private void dontRemove() {
-        throw new QueryException("Tried to remove an item from an immutable segment.");
+        throw new IllegalArgumentException("Tried to remove an item from an immutable segment.");
     }
 
     // TODO: Add a getItemIterator which is safe for immutability