diff --git a/etc/taskcluster/decision_task.py b/etc/taskcluster/decision_task.py
index 01809fe6b97..1fe9c77690e 100644
--- a/etc/taskcluster/decision_task.py
+++ b/etc/taskcluster/decision_task.py
@@ -554,7 +554,7 @@ def linux_wpt():
 
 
 def linux_wpt_layout_2020():
-    linux_wpt_common(total_chunks=1, layout_2020=True)
+    linux_wpt_common(total_chunks=2, layout_2020=True)
 
 
 def linux_wpt_common(total_chunks, layout_2020):