diff --git a/cppython/project.py b/cppython/project.py
index 92284b0..6bd8d7d 100644
--- a/cppython/project.py
+++ b/cppython/project.py
@@ -16,7 +16,10 @@ class Project(API):
 
     def __init__(self, interface: Interface, pyproject: PyProject) -> None:
 
-        self.enabled = pyproject.cppython != None
+        self.enabled = pyproject.cppython is not None
+
+        if not self.enabled:
+            return
 
         self._interface = interface