1 files changed, 2 insertions, 1 deletions
diff --git a/lib/internal/crypto/hash.js b/lib/internal/crypto/hash.js
index 667624dce0..38b125e5f2 100644
--- a/lib/internal/crypto/hash.js
+++ b/lib/internal/crypto/hash.js
@@ -36,7 +36,8 @@ function Hash(algorithm, options) {
   if (!(this instanceof Hash))
     return new Hash(algorithm, options);
   validateString(algorithm, 'algorithm');
-  const xofLen = typeof options === 'object' ? options.outputLength : undefined;
+  const xofLen = typeof options === 'object' && options !== null ?
+    options.outputLength : undefined;
   if (xofLen !== undefined)
     validateUint32(xofLen, 'options.outputLength');
   this[kHandle] = new _Hash(algorithm, xofLen);