diff --git a/mounts/org.osbuild.ostree.deployment b/mounts/org.osbuild.ostree.deployment
index 96d602b0..9a21f677 100755
--- a/mounts/org.osbuild.ostree.deployment
+++ b/mounts/org.osbuild.ostree.deployment
@@ -61,6 +61,12 @@ SCHEMA_2 = """
 
 class OSTreeDeploymentMount(mounts.MountService):
 
+    def __init__(self, args):
+        super().__init__(args)
+
+        self.mountpoint = None
+        self.check = False
+
     @staticmethod
     def bind_mount(source, target):
         subprocess.run([