diff --git a/ving/docs/change-log.md b/ving/docs/change-log.md
index 7b5f2d56..7cb45280 100644
--- a/ving/docs/change-log.md
+++ b/ving/docs/change-log.md
@@ -9,7 +9,8 @@ outline: deep
  * Fix a bug in redis client where it wouldn't connect to the AWS valkey/redis cluster.
  * Fix a hydration mismatch in form inputs subtext.
  * Fix a hydration mismatch in markdown inputs.
- * Added error hanlding to verifyExtension() in S3File.
+ * Added error handling to verifyExtension() in S3File.
+ * Added validation for acceptedFileExtensions in ving schemas being in the wrong place.
 
 ### 2024-10-24
  * Installed dotenv for environment variables.
diff --git a/ving/schema/validator.mjs b/ving/schema/validator.mjs
index 121630da..55859a55 100644
--- a/ving/schema/validator.mjs
+++ b/ving/schema/validator.mjs
@@ -116,6 +116,8 @@ export const validateRelationAcceptedFileExtensions = (prop, schema) => {
             throw ving.ouch(442, `${formatPropPath(prop, schema)}.relation.acceptedFileExtensions should not exist.`);
         return;
     }
+    if (('acceptedFileExtensions' in prop)) // should not be a prop, if it exists it should be on relation
+        throw ving.ouch(442, `${formatPropPath(prop, schema)}.acceptedFileExtensions should be in the relation object, not the prop object.`);
     if (!('acceptedFileExtensions' in prop.relation)) // optional
         return;
     if (!isArray(prop.relation.acceptedFileExtensions))