diff --git a/packages/core/src/decorators/expose_all.ts b/packages/core/src/decorators/expose_all.ts
index 2ad8e7d..8418101 100644
--- a/packages/core/src/decorators/expose_all.ts
+++ b/packages/core/src/decorators/expose_all.ts
@@ -11,29 +11,32 @@ interface ExposeAllOptions {
   nameCasing?: ExposeAllCasing;
 }
 
+function getExposeMetadataOptions(propertyName: string, options: ExposeAllOptions = {}): ExposeOptions {
+  const exposeOptions: ExposeOptions = {};
+  switch (options.nameCasing) {
+    case "camelCase":
+      exposeOptions.name = camelCase(propertyName);
+      break;
+    case "snakeCase":
+      exposeOptions.name = snakeCase(propertyName);
+      break;
+  }
+  return exposeOptions;
+}
+
 export function ExposeAll(options?: ExposeAllOptions) {
-  const { nameCasing } = options || {};
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   return function (target: any) {
     const object = new target();
-    Object.entries(object).forEach(([key]) => {
-      const exists = defaultMetadataStorage.findExposeMetadata(target, key);
-      if (exists) return;
-
-      const options: ExposeOptions = {};
-      switch (nameCasing) {
-        case "camelCase":
-          options.name = camelCase(key);
-          break;
-        case "snakeCase":
-          options.name = snakeCase(key);
-          break;
-      }
-
+    Object.keys(object).forEach((propertyName) => {
+      const exposeMetadata = defaultMetadataStorage.findExposeMetadata(target, propertyName);
       defaultMetadataStorage.addExposeMetadata({
-        target: target,
-        propertyName: key,
-        options
+        target,
+        propertyName,
+        options: {
+          ...getExposeMetadataOptions(propertyName, options),
+          ...exposeMetadata?.options
+        }
       });
     });
   };