diff --git a/modules/islandora_iiif/config/schema/islandora_iiif.schema.yml b/modules/islandora_iiif/config/schema/islandora_iiif.schema.yml
index a89eb224..fc62c5c4 100644
--- a/modules/islandora_iiif/config/schema/islandora_iiif.schema.yml
+++ b/modules/islandora_iiif/config/schema/islandora_iiif.schema.yml
@@ -12,4 +12,4 @@ views.style.iiif_manifest:
     iiif_tile_field:
       type: sequence
       sequence:
-        - type: string
+        type: string