diff --git a/osbuild/meta.py b/osbuild/meta.py
index 44cbe3cd..44637b8d 100644
--- a/osbuild/meta.py
+++ b/osbuild/meta.py
@@ -284,16 +284,32 @@ META_JSON_SCHEMA = {
         },
     },
     "required": ["summary", "description"],
-    "oneOf": [
+    "anyOf": [
         {
             "required": [
                 "schema"
-            ]
+            ],
+            "not": {
+                "required": [
+                    "schema_2",
+                ],
+            },
         },
         {
             "required": [
                 "schema_2"
-            ]
+            ],
+            "not": {
+                "required": [
+                    "schema",
+                ],
+            },
+        },
+        {
+            "required": [
+                "schema",
+                "schema_2",
+            ],
         },
     ],
     "properties": {
diff --git a/test/mod/test_meta.py b/test/mod/test_meta.py
index 0294c501..8a26e58a 100644
--- a/test/mod/test_meta.py
+++ b/test/mod/test_meta.py
@@ -317,7 +317,8 @@ def test_load_from_json_prefered(tmp_path):
         {"summary": "some", "description": ["many", "strings"], "schema": {}}, ""), (
         {"summary": "some", "description": ["many", "strings"], "schema_2": {}}, ""), (
         {"summary": "some", "description": ["many", "strings"], "schema_2": {}, "capabilities": []}, ""), (
-        {"summary": "some", "description": ["many", "strings"], "schema_2": {}, "capabilities": ["cap1", "cap2"]}, ""),
+        {"summary": "some", "description": ["many", "strings"], "schema_2": {}, "capabilities": ["cap1", "cap2"]}, ""), (
+        {"summary": "some", "description": ["many", "strings"], "schema": {}, "schema_2": {}, "capabilities": ["cap1", "cap2"]}, ""),
     # unhappy
     (
         # no description
@@ -331,12 +332,6 @@ def test_load_from_json_prefered(tmp_path):
         # schema{,_2} missing
         {"summary": "some", "description": ["many", "strings"]},
         " is not valid",
-    ),
-    (
-        # both schema{,_2}
-        {"summary": "some", "description": ["many", "strings"],
-         "schema": {}, "schema_2": {}},
-        " is valid under each ",
     ), (
         # capabilities of wrong type
         {"summary": "some", "description": ["many", "strings"], "schema": {},