diff --git a/matching-ws/src/test/java/life/catalogue/matching/IDMatchingIT.java b/matching-ws/src/test/java/life/catalogue/matching/IDMatchingIT.java
index 5b335e919..ca4a40203 100644
--- a/matching-ws/src/test/java/life/catalogue/matching/IDMatchingIT.java
+++ b/matching-ws/src/test/java/life/catalogue/matching/IDMatchingIT.java
@@ -47,7 +47,8 @@ public static void buildMatcher() throws IOException {
       tempJoinIndex,
       joinIndex,
       false,
-      false
+      false,
+      1
     );
 
     Dataset dataset = new Dataset();