diff --git a/backend/src/services/submissions.ts b/backend/src/services/submissions.ts
index b47e04bf..066f4df0 100644
--- a/backend/src/services/submissions.ts
+++ b/backend/src/services/submissions.ts
@@ -27,7 +27,7 @@ export async function createSubmission(submissionDTO: SubmissionDTO): Promise<Su
     const submission = mapToSubmission(submissionDTO);
 
     try {
-        const newSubmission = await submissionRepository.create(submission);
+        const newSubmission = submissionRepository.create(submission);
         await submissionRepository.save(newSubmission);
     } catch (_) {
         return null;
diff --git a/eslint.config.ts b/eslint.config.ts
index 0a08619f..7c606d0c 100644
--- a/eslint.config.ts
+++ b/eslint.config.ts
@@ -33,6 +33,7 @@ export default [
         },
         rules: {
             '@typescript-eslint/array-type': 'warn',
+            '@typescript-eslint/await-thenable': 'error',
 
             'consistent-return': 'off',
             '@typescript-eslint/consistent-return': 'off',