diff --git a/packages/backend/knexfile.ts b/packages/backend/knexfile.ts
index 4847933e..5a4d0a48 100644
--- a/packages/backend/knexfile.ts
+++ b/packages/backend/knexfile.ts
@@ -1,3 +1,4 @@
+import { knexSnakeCaseMappers } from 'objection';
 import appConfig from './src/config/app';
 
 const fileExtension = appConfig.isDev || appConfig.isTest ? 'ts' : 'js';
@@ -23,6 +24,7 @@ const knexConfig = {
   seeds: {
     directory: __dirname + '/src/db/seeds',
   },
+  ...(appConfig.isTest ? knexSnakeCaseMappers() : {}),
 };
 
 export default knexConfig;