diff --git a/app.py b/app.py
index 1238e4d..3354649 100755
--- a/app.py
+++ b/app.py
@@ -12,7 +12,7 @@
 sys.path.insert(0, str(BASE_DIR / 'sampleproject'))
 
 # Set Django settings module
-12os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'sampleproject.settings')
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'sampleproject.settings')
 
 # Import Django utilities
 import django
diff --git a/tests/test_app_syntax.py b/tests/test_app_syntax.py
new file mode 100644
index 0000000..3c91852
--- /dev/null
+++ b/tests/test_app_syntax.py
@@ -0,0 +1,13 @@
+import py_compile
+import unittest
+from pathlib import Path
+
+
+class AppSyntaxTest(unittest.TestCase):
+    def test_app_compiles(self):
+        app_path = Path(__file__).resolve().parents[1] / "app.py"
+        py_compile.compile(str(app_path), doraise=True)
+
+
+if __name__ == "__main__":
+    unittest.main()