diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py
index 4a8c3dcebcb49..2576886743949 100644
--- a/src/bootstrap/bootstrap.py
+++ b/src/bootstrap/bootstrap.py
@@ -498,7 +498,7 @@ def get_toml(self, key):
 
         If the key does not exists, the result is None:
 
-        >>> rb.get_toml("key3") == None
+        >>> rb.get_toml("key3") is None
         True
         """
         for line in self.config_toml.splitlines():