diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index f26f04e..9e4e3f0 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -32,5 +32,5 @@ jobs:
         poetry install
 
     - name: Lint backend
-      working-directory: frontend
-      run: flake8 .
+      working-directory: backend
+      run: poetry run flake8 .
diff --git a/frontend/src/app/components/upgradeModal.component.pug b/frontend/src/app/components/upgradeModal.component.pug
index d2c0b02..9ce1ca8 100644
--- a/frontend/src/app/components/upgradeModal.component.pug
+++ b/frontend/src/app/components/upgradeModal.component.pug
@@ -18,7 +18,7 @@
 
     p.mt-3 If you work in education, have already supported me on Ko-fi before, or your country isn't supported on GitHub Sponsors, just #[a(href='mailto:e@ajenti.org?subject=Help with Tabby Pro') let me know] and I'll hook you up.
 
-    .mb-3(*ngIf='!loginService.user.github_username')
+    .mb-3(*ngIf='!loginService.user?.github_username')
         a.btn.btn-info(href='{{commonService.backendURL}}/api/1/auth/social/login/github')
             fa-icon([icon]='_githubIcon', [fixedWidth]='true')
             span Connect your GitHub account to link your sponsorship