diff --git a/boolean/boolean.py b/boolean/boolean.py
index eeffbc4..a5fde8b 100644
--- a/boolean/boolean.py
+++ b/boolean/boolean.py
@@ -939,8 +939,8 @@ def __str__(self):
     def __repr__(self):
         return "TRUE"
 
-    def __call__(self):
-        return self
+    def __call__(self, **kwargs):
+        return True
 
     __nonzero__ = __bool__ = lambda s: True
 
@@ -967,8 +967,8 @@ def __str__(self):
     def __repr__(self):
         return "FALSE"
 
-    def __call__(self):
-        return self
+    def __call__(self, **kwargs):
+        return False
 
     __nonzero__ = __bool__ = lambda s: False