diff --git a/src/main/java/de/ids_mannheim/korap/rewrite/QueryReferenceRewrite.java b/src/main/java/de/ids_mannheim/korap/rewrite/QueryReferenceRewrite.java
index c682e1b..0f6ff8c 100644
--- a/src/main/java/de/ids_mannheim/korap/rewrite/QueryReferenceRewrite.java
+++ b/src/main/java/de/ids_mannheim/korap/rewrite/QueryReferenceRewrite.java
@@ -91,11 +91,14 @@
 
     private void rewriteQuery (JsonNode qref, KoralNode koralNode)
             throws KustvaktException {
-        JsonNode jsonNode = koralNode.rawNode();
-        koralNode.remove("@type",
-                new RewriteIdentifier("@type", "", jsonNode.at("/@type").asText()));
-        koralNode.remove("ref",
-                new RewriteIdentifier("ref", "", jsonNode.at("/ref").asText()));
-        koralNode.setAll((ObjectNode) qref);
+        String source = koralNode.rawNode().toString();
+        JsonNode sourceNode = JsonUtils.readTree(source);
+        koralNode.replace(qref, new RewriteIdentifier(null, "", sourceNode));
+        
+//        koralNode.remove("@type",
+//                new RewriteIdentifier("@type", "", jsonNode.at("/@type").asText()));
+//        koralNode.remove("ref",
+//                new RewriteIdentifier("ref", "", jsonNode.at("/ref").asText()));
+//        koralNode.setAll((ObjectNode) qref);
     }
 }
diff --git a/src/main/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewrite.java b/src/main/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewrite.java
index d479bb5..41da0e2 100644
--- a/src/main/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewrite.java
+++ b/src/main/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewrite.java
@@ -4,7 +4,6 @@
 import org.springframework.stereotype.Component;
 
 import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.node.ObjectNode;
 
 import de.ids_mannheim.korap.config.KustvaktConfiguration;
 import de.ids_mannheim.korap.constant.QueryType;
@@ -103,7 +102,7 @@
         koralNode.replace("ref", newRef, new RewriteIdentifier("ref", "", ref));
     }
 
-    private void rewriteVC (QueryDO vc, KoralNode koralNode)
+    protected void rewriteVC (QueryDO vc, KoralNode koralNode)
             throws KustvaktException {
         String koralQuery = vc.getKoralQuery();
         JsonNode newKoralQuery = JsonUtils.readTree(koralQuery).at("/collection");
diff --git a/src/test/java/de/ids_mannheim/korap/rewrite/QueryRewriteTest.java b/src/test/java/de/ids_mannheim/korap/rewrite/QueryReferenceRewriteTest.java
similarity index 73%
rename from src/test/java/de/ids_mannheim/korap/rewrite/QueryRewriteTest.java
rename to src/test/java/de/ids_mannheim/korap/rewrite/QueryReferenceRewriteTest.java
index 5a3ee46..1fe9089 100644
--- a/src/test/java/de/ids_mannheim/korap/rewrite/QueryRewriteTest.java
+++ b/src/test/java/de/ids_mannheim/korap/rewrite/QueryReferenceRewriteTest.java
@@ -1,6 +1,7 @@
 package de.ids_mannheim.korap.rewrite;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
 import com.fasterxml.jackson.databind.JsonNode;
@@ -15,7 +16,7 @@
 /**
  * @author diewald
  */
-public class QueryRewriteTest extends SpringJerseyTest {
+public class QueryReferenceRewriteTest extends SpringJerseyTest {
 
     @Test
     public void testRewriteRefNotFound () throws KustvaktException, Exception {
@@ -37,18 +38,13 @@
                 .get();
         String ent = response.readEntity(String.class);
         JsonNode node = JsonUtils.readTree(ent);
-        
         node = node.at("/query/operands/1/rewrites");
-        assertEquals(3,node.size());
+        assertEquals(1, node.size());
         assertEquals("Kustvakt", node.at("/0/origin").asText());
-        assertEquals("operation:deletion", node.at("/0/operation").asText());
-        assertEquals("@type", node.at("/0/scope").asText());
-        assertEquals("koral:queryRef", node.at("/0/source").asText());
-
-        assertEquals("ref", node.at("/1/scope").asText());
-        assertEquals("system-q", node.at("/1/source").asText());
-        
-        assertEquals("operation:injection", node.at("/2/operation").asText());
+        assertEquals("operation:override", node.at("/0/operation").asText());
+        assertEquals("koral:queryRef", node.at("/0/source/@type").asText());
+        assertEquals("system-q", node.at("/0/source/ref").asText());
+        assertTrue(node.at("/0/scope").isMissingNode());
     }
 
     @Test
@@ -64,16 +60,13 @@
         JsonNode node = JsonUtils.readTree(ent);
         assertEquals(node.at("/query/operands/1/@type").asText(),
                 "koral:token");
-        
-        node = node.at("/query/operands/1/rewrites");
-        assertEquals("Kustvakt", node.at("/0/origin").asText());
-        assertEquals("operation:deletion", node.at("/0/operation").asText());
-        assertEquals("@type", node.at("/0/scope").asText());
-        assertEquals("koral:queryRef", node.at("/0/source").asText());
 
-        assertEquals("ref", node.at("/1/scope").asText());
-        assertEquals("dory/dory-q", node.at("/1/source").asText());
-        
-        assertEquals("operation:injection", node.at("/2/operation").asText());
+        node = node.at("/query/operands/1/rewrites");
+        assertEquals(1, node.size());
+        assertEquals("Kustvakt", node.at("/0/origin").asText());
+        assertEquals("operation:override", node.at("/0/operation").asText());
+        assertEquals("koral:queryRef", node.at("/0/source/@type").asText());
+        assertEquals("dory/dory-q", node.at("/0/source/ref").asText());
+        assertTrue(node.at("/0/scope").isMissingNode());
     }
 }
diff --git a/src/test/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewriteTest.java b/src/test/java/de/ids_mannheim/korap/rewrite/VirtualCorpusReferenceRewriteTest.java
similarity index 98%
rename from src/test/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewriteTest.java
rename to src/test/java/de/ids_mannheim/korap/rewrite/VirtualCorpusReferenceRewriteTest.java
index c607ef1..f71c9fa 100644
--- a/src/test/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewriteTest.java
+++ b/src/test/java/de/ids_mannheim/korap/rewrite/VirtualCorpusReferenceRewriteTest.java
@@ -27,7 +27,7 @@
 /**
  * @author margaretha
  */
-public class VirtualCorpusRewriteTest extends SpringJerseyTest {
+public class VirtualCorpusReferenceRewriteTest extends SpringJerseyTest {
 
     @Autowired
     private NamedVCLoader vcLoader;