diff --git a/src/rad/resources/schemas/wcsinfo-1.0.0.yaml b/src/rad/resources/schemas/wcsinfo-1.0.0.yaml
index 113c2a55..85f49580 100644
--- a/src/rad/resources/schemas/wcsinfo-1.0.0.yaml
+++ b/src/rad/resources/schemas/wcsinfo-1.0.0.yaml
@@ -100,7 +100,7 @@ properties:
       source:
         origin: TBD
     archive_catalog:
-      datatype: int
+      datatype: smallint
       destination: [WFIExposure.vparity, GuideWindow.vparity]
   v3yangle:
     title: Angle Between the V3 and Ideal Y Axes (deg)