diff --git a/packages/backend/.eslintrc.js b/packages/backend/.eslintrc.js
index 0978f8ab4..7e99ef86e 100644
--- a/packages/backend/.eslintrc.js
+++ b/packages/backend/.eslintrc.js
@@ -63,7 +63,7 @@ module.exports = {
 		'@typescript-eslint/no-var-requires': ['warn'],
 		'@typescript-eslint/no-inferrable-types': ['warn'],
 		'@typescript-eslint/no-empty-function': ['off'],
-		'@typescript-eslint/no-non-null-assertion': ['off'],
+		'@typescript-eslint/no-non-null-assertion': ['warn'],
 		'@typescript-eslint/no-misused-promises': ['error', {
 			'checksVoidReturn': false,
 		}],