diff --git a/scripts/child_site_list.txt b/scripts/child_site_list.txt
index 5fa7c4b38fb8ea4815c78af97bd94675bd4d4cce..2abdc2094fab7be56484dba158abca0aae208798 100644
--- a/scripts/child_site_list.txt
+++ b/scripts/child_site_list.txt
@@ -4,3 +4,4 @@ d8-example
 global-arts-and-humanities
 mathematical-biosciences-institute
 migration-target
+ppec