diff --git a/src/rad/resources/schemas/mosaic_basic-1.0.0.yaml b/src/rad/resources/schemas/mosaic_basic-1.0.0.yaml
index 561d1da0..1fee8a1d 100644
--- a/src/rad/resources/schemas/mosaic_basic-1.0.0.yaml
+++ b/src/rad/resources/schemas/mosaic_basic-1.0.0.yaml
@@ -79,7 +79,7 @@ properties:
     archive_catalog:
       datatype: smallint
       destination: [ScienceCommon.segment]
-  pass:
+  pass_number:
     title: Pass number within execution plan, defined range is 1..999;
            included in obs_id and visit_id as 'AA'.
     type: integer
diff --git a/src/rad/resources/schemas/observation-1.0.0.yaml b/src/rad/resources/schemas/observation-1.0.0.yaml
index c30c4274..6384d0c7 100644
--- a/src/rad/resources/schemas/observation-1.0.0.yaml
+++ b/src/rad/resources/schemas/observation-1.0.0.yaml
@@ -55,7 +55,7 @@ properties:
     archive_catalog:
       datatype: smallint
       destination: [ScienceCommon.execution_plan, GuideWindow.execution_plan]
-  pass:
+  pass_number:
     title: Pass number within execution plan, defined range is 1..999; included in obs_id and
            visit_id as 'AA'.
     type: integer