diff --git a/src/data/valid/Study-exhaustive.yaml b/src/data/valid/Study-exhaustive.yaml
index 14d634ecb4..13cdb257f0 100644
--- a/src/data/valid/Study-exhaustive.yaml
+++ b/src/data/valid/Study-exhaustive.yaml
@@ -95,4 +95,5 @@ study_image:
     description: Photo of Craig Venter Institute, La Jolla, California
     display_order: '2'
 initiative_type: study
-part_of: nmdc:sty-11-34xj1157
+part_of: 
+  - nmdc:sty-11-34xj1157