diff --git a/app/__init__.py b/app/__init__.py
index 8ceb349..78df573 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -56,7 +56,7 @@ def get_pandoc_page(page):
     with open(f'{path}/config.json') as f:
         data = json.loads(f.read())
     if not os.path.exists(f'{path}/render.html') or not os.path.exists(f'{path}/render.html.lock'):
-        print('Rendered page or lockfile for {page} does not exist! Rendering {page}')
+        print(f'Rendered page or lockfile for {page} does not exist! Rendering {page}')
         render_page(page)
     else:
         with open(f'{path}/render.html.lock', 'r') as f:
@@ -64,7 +64,7 @@ def get_pandoc_page(page):
         current_hash = hash_file_sha512(f'{path}/main.md')
         if rendered_hash != current_hash:
             print(f'CURRENT: {current_hash}, RENDERED: {rendered_hash}')
-            print('Integrity test failed, rendering {page}!')
+            print(f'Integrity test failed, rendering {page}!')
             render_page(page)
     template = data['template']
     with open(f'{path}/render.html', 'r') as f: