diff --git a/adonis-typings/model.ts b/adonis-typings/model.ts
index a575243f..58946732 100644
--- a/adonis-typings/model.ts
+++ b/adonis-typings/model.ts
@@ -640,7 +640,7 @@ declare module '@ioc:Adonis/Lucid/Model' {
    */
   export type OrmConfigContract = {
     getTableName (model: ModelConstructorContract): string
-    getCastKey (model: ModelConstructorContract, key: string): string
+    getCastAsKey (model: ModelConstructorContract, key: string): string
     getSerializeAsKey (model: ModelConstructorContract, key: string): string
     serialize (model: ModelConstructorContract, key: string): boolean
 
diff --git a/src/Orm/BaseModel/index.ts b/src/Orm/BaseModel/index.ts
index c9d477d7..c8856e4c 100644
--- a/src/Orm/BaseModel/index.ts
+++ b/src/Orm/BaseModel/index.ts
@@ -250,7 +250,7 @@ export class BaseModel implements ModelContract {
 
     const column: ColumnOptions = {
       primary: options.primary || false,
-      castAs: options.castAs || this.$configurator.getCastKey(this, name),
+      castAs: options.castAs || this.$configurator.getCastAsKey(this, name),
       hasGetter: !!(descriptor && descriptor.get),
       hasSetter: !!(descriptor && descriptor.set),
       serializeAs: options.serializeAs || this.$configurator.getSerializeAsKey(this, name),
diff --git a/src/Orm/Config/index.ts b/src/Orm/Config/index.ts
index 2e27d3c8..9a153c0c 100644
--- a/src/Orm/Config/index.ts
+++ b/src/Orm/Config/index.ts
@@ -27,7 +27,7 @@ export const OrmConfig: OrmConfigContract = {
   /**
    * Returns the cast key (the column name) for a given model attribute
    */
-  getCastKey (_: ModelConstructorContract, key: string) {
+  getCastAsKey (_: ModelConstructorContract, key: string) {
     return snakeCase(key)
   },