diff --git a/src/dr/app/tools/treeannotator/HIPSTRTreeBuilder.java b/src/dr/app/tools/treeannotator/HIPSTRTreeBuilder.java
index 3034d53e83..261c393b93 100644
--- a/src/dr/app/tools/treeannotator/HIPSTRTreeBuilder.java
+++ b/src/dr/app/tools/treeannotator/HIPSTRTreeBuilder.java
@@ -45,8 +45,8 @@ public MutableTree getHIPSTRTree(CladeSystem cladeSystem, TaxonList taxonList, d
 
         credibilityCache.clear();
 
-        cladeSystem.embiggenBiClades(1, 5);
-//        cladeSystem.embiggenBiCladesThreaded(1, 5);
+//        cladeSystem.embiggenBiClades(1, 5);
+        cladeSystem.embiggenBiCladesThreaded(1, 5);
 
         score = findHIPSTRTree(rootClade, penaltyThreshold);