diff --git a/pyof/foundation/base.py b/pyof/foundation/base.py
index 5864c6b59..d53282f7f 100644
--- a/pyof/foundation/base.py
+++ b/pyof/foundation/base.py
@@ -80,7 +80,7 @@ def __ge__(self, other):
         return self._value >= other
 
     def __lt__(self, other):
-        return self._value <= other
+        return self._value < other
 
     def __le__(self, other):
         return self._value <= other