1 files changed, 1 insertions, 1 deletions
diff --git a/modelviz.py b/modelviz.py
index 2603fca..22919ca 100644
--- a/modelviz.py
+++ b/modelviz.py
@@ -116,7 +116,7 @@ def generate_dot(app_labels, **kwargs):
     for app_label in app_labels:
         app = models.get_app(app_label)
         graph = Context({
-            'name': '"%s"' % app.__name__,
+            'name': f'"{app.__name__}"',
             'disable_fields': disable_fields,
             'models': []
             })