diff --git a/modules/database/src/adapters/sequelize-adapter/utils/extractors/index.ts b/modules/database/src/adapters/sequelize-adapter/utils/extractors/index.ts
index 252c88562..cbc5a3b35 100644
--- a/modules/database/src/adapters/sequelize-adapter/utils/extractors/index.ts
+++ b/modules/database/src/adapters/sequelize-adapter/utils/extractors/index.ts
@@ -46,29 +46,31 @@ export function convertObjectToDotNotation(
   keyMapping: any = {},
   parentKey: string | null = null,
   prefix: string = '',
+  separator: string = '_',
 ) {
   for (const key of Object.keys(schema)) {
     if (!isArray(schema[key]) && isObject(schema[key])) {
       const extraction = extractObjectType(schema[key]);
       if (!extraction.hasOwnProperty('type')) {
         const newParentKey = parentKey ? `${parentKey}.${key}` : key;
-        const newPrefix = prefix ? `${prefix}_${key}` : key;
+        const newPrefix = prefix ? `${prefix}${separator}${key}` : key;
         convertObjectToDotNotation(
           extraction,
           resSchema,
           keyMapping,
           newParentKey,
           newPrefix,
+          separator,
         );
 
         // Remove the original key from resSchema
         if (prefix) {
-          delete resSchema[`${prefix}_${key}`];
+          delete resSchema[`${prefix}${separator}${key}`];
         } else {
           delete resSchema[key];
         }
       } else {
-        const newKey = prefix ? `${prefix}_${key}` : key;
+        const newKey = prefix ? `${prefix}${separator}${key}` : key;
         resSchema[newKey] = extraction;
         if (parentKey || prefix) {
           keyMapping[newKey] = {
@@ -78,7 +80,7 @@ export function convertObjectToDotNotation(
         }
       }
     } else {
-      const newKey = prefix ? `${prefix}_${key}` : key;
+      const newKey = prefix ? `${prefix}${separator}${key}` : key;
       resSchema[newKey] = schema[key];
       if (parentKey || prefix) {
         keyMapping[newKey] = {
diff --git a/modules/database/src/permissions/index.ts b/modules/database/src/permissions/index.ts
index 7e88873b9..85afec405 100644
--- a/modules/database/src/permissions/index.ts
+++ b/modules/database/src/permissions/index.ts
@@ -1,5 +1,6 @@
 import { DeclaredSchemaExtension, Schema } from '../interfaces/index.js';
 import { ConduitModel, Indexable } from '@conduitplatform/grpc-sdk';
+import { convertObjectToDotNotation } from '../adapters/sequelize-adapter/utils/extractors/index.js';
 
 export async function canCreate(moduleName: string, schema: Schema) {
   if (moduleName === 'database' && schema.originalSchema.name === '_DeclaredSchema')
@@ -29,7 +30,18 @@ export async function canModify(moduleName: string, schema: Schema, data?: Index
           extension.ownerModule === moduleName || extension.ownerModule === 'database',
       )
       .map((extension: DeclaredSchemaExtension) => extension.fields)
-      .map((fields: ConduitModel) => Object.keys(fields))
+      .map((fields: ConduitModel) => {
+        const flattenedFields = {};
+        convertObjectToDotNotation(
+          fields,
+          flattenedFields,
+          undefined,
+          undefined,
+          '',
+          '.',
+        );
+        return Object.keys(flattenedFields);
+      })
       .reduce((acc: string[], curr: string[]) => [...acc, ...curr], []);
     const dataFields = Object.keys(data);
     return dataFields.every((field: string) => extensionFields.includes(field));