diff --git a/xarray/core/options.py b/xarray/core/options.py
index 71358916243..1d916ff0f7c 100644
--- a/xarray/core/options.py
+++ b/xarray/core/options.py
@@ -56,7 +56,7 @@ def _positive_integer(value):
     FILE_CACHE_MAXSIZE: _positive_integer,
     KEEP_ATTRS: lambda choice: choice in [True, False, "default"],
     WARN_FOR_UNCLOSED_FILES: lambda value: isinstance(value, bool),
-    USE_BOTTLENECK: lambda choice: choice in [True, False],
+    USE_BOTTLENECK: lambda value: isinstance(value, bool),
 }