diff --git a/qtpylib/indicators.py b/qtpylib/indicators.py
index 32d6315..b8ad0d5 100644
--- a/qtpylib/indicators.py
+++ b/qtpylib/indicators.py
@@ -234,7 +234,7 @@ def crossed(series1, series2, direction=None):
             series1.shift(1) >= series2.shift(1)))
 
     if direction is None:
-        return above or below
+        return above | below
 
     return above if direction == "above" else below