diff --git a/lib/bn.js b/lib/bn.js
index 0854c1c..210c445 100644
--- a/lib/bn.js
+++ b/lib/bn.js
@@ -657,7 +657,7 @@
       var off = (bit / 26) | 0;
       var wbit = bit % 26;
 
-      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
+      w[bit] = (num.words[off] >>> wbit) & 0x01;
     }
 
     return w;