diff --git a/code/index/index-reverse/java/nu/marginalia/index/FullIndexEntrySource.java b/code/index/index-reverse/java/nu/marginalia/index/FullIndexEntrySource.java
index c76b9189..3f572f15 100644
--- a/code/index/index-reverse/java/nu/marginalia/index/FullIndexEntrySource.java
+++ b/code/index/index-reverse/java/nu/marginalia/index/FullIndexEntrySource.java
@@ -36,6 +36,7 @@ public class FullIndexEntrySource implements EntrySource {
 
     @Override
     public void read(LongQueryBuffer buffer) {
+        buffer.reset();
         buffer.end = min(buffer.end, endOffset - pos);
         reader.readData(buffer.data, buffer.end, pos);
         pos += buffer.end;
diff --git a/code/index/index-reverse/java/nu/marginalia/index/PrioIndexEntrySource.java b/code/index/index-reverse/java/nu/marginalia/index/PrioIndexEntrySource.java
index 2d29b99b..bfb6be14 100644
--- a/code/index/index-reverse/java/nu/marginalia/index/PrioIndexEntrySource.java
+++ b/code/index/index-reverse/java/nu/marginalia/index/PrioIndexEntrySource.java
@@ -42,6 +42,7 @@ public class PrioIndexEntrySource implements EntrySource {
     @SneakyThrows
     @SuppressWarnings("preview")
     public void read(LongQueryBuffer buffer) {
+        buffer.reset();
         buffer.end = min(buffer.end, endOffsetL - posL);
 
         var byteBuffer = buffer.data.getMemorySegment().asByteBuffer();
diff --git a/code/index/query/java/nu/marginalia/index/query/IndexQuery.java b/code/index/query/java/nu/marginalia/index/query/IndexQuery.java
index 81136e91..52caed8e 100644
--- a/code/index/query/java/nu/marginalia/index/query/IndexQuery.java
+++ b/code/index/query/java/nu/marginalia/index/query/IndexQuery.java
@@ -73,8 +73,6 @@ public class IndexQuery {
 
     private boolean fillBuffer(LongQueryBuffer dest) {
         for (;;) {
-            dest.reset();
-
             EntrySource source = sources.get(si);
             source.read(dest);