diff --git a/changes/532.bugfix.rst b/changes/532.bugfix.rst
new file mode 100644
index 00000000..6be78bb3
--- /dev/null
+++ b/changes/532.bugfix.rst
@@ -0,0 +1 @@
+Fix some inconsistencies in the ``msos_step`` and ``sky_background`` schemas.
diff --git a/src/rad/resources/schemas/msos_stack-1.0.0.yaml b/src/rad/resources/schemas/msos_stack-1.0.0.yaml
index 888d5542..5ab05b63 100644
--- a/src/rad/resources/schemas/msos_stack-1.0.0.yaml
+++ b/src/rad/resources/schemas/msos_stack-1.0.0.yaml
@@ -13,44 +13,42 @@ properties:
   meta:
     allOf:
       - $ref: asdf://stsci.edu/datamodels/roman/schemas/common-1.0.0
-      - image_list:
-          type: string
+      - type: object
+        properties:
+          image_list:
+              type: string
   data:
     title: Flux Data
     description: |
       Flux array of stacked image data.
-    value:
-      tag: tag:stsci.edu:asdf/core/ndarray-1.*
-      datatype: float64
-      exact_datatype: true
-      ndim: 2
+    tag: tag:stsci.edu:asdf/core/ndarray-1.*
+    datatype: float64
+    exact_datatype: true
+    ndim: 2
   uncertainty:
     title: Uncertainty Data
     description: |
       Uncertainty array of stacked image data.
-    value:
-      tag: tag:stsci.edu:asdf/core/ndarray-1.*
-      datatype: float64
-      exact_datatype: true
-      ndim: 2
+    tag: tag:stsci.edu:asdf/core/ndarray-1.*
+    datatype: float64
+    exact_datatype: true
+    ndim: 2
   mask:
     title: Mask Data
     description: |
       Mask array of stacked image data.
-    value:
-      tag: tag:stsci.edu:asdf/core/ndarray-1.*
-      datatype: uint8
-      exact_datatype: true
-      ndim: 2
+    tag: tag:stsci.edu:asdf/core/ndarray-1.*
+    datatype: uint8
+    exact_datatype: true
+    ndim: 2
   coverage:
     title: Coverage Data
     description: |
       Coverage array of stacked image data.
-    value:
-      tag: tag:stsci.edu:asdf/core/ndarray-1.*
-      datatype: uint8
-      exact_datatype: true
-      ndim: 2
+    tag: tag:stsci.edu:asdf/core/ndarray-1.*
+    datatype: uint8
+    exact_datatype: true
+    ndim: 2
 propertyOrder: [meta, data, uncertainty, mask, coverage]
 flowStyle: block
 required: [meta, data, uncertainty, mask, coverage]
diff --git a/src/rad/resources/schemas/sky_background-1.0.0.yaml b/src/rad/resources/schemas/sky_background-1.0.0.yaml
index c3c58541..1c15648e 100644
--- a/src/rad/resources/schemas/sky_background-1.0.0.yaml
+++ b/src/rad/resources/schemas/sky_background-1.0.0.yaml
@@ -10,10 +10,9 @@ properties:
     title: Sky Background Level
     description: |
       The sky background level in DN / s or MJy.sr**-1.
-    value:
-        anyOf:
-          - type: number
-          - type: null
+    anyOf:
+      - type: number
+      - type: "null"
     unit: ["DN / s", "MJy.sr**-1"]
   method:
     title: Sky Background Method