diff --git a/lib/randomish.js b/lib/randomish.js
index 106011bae..f878c541b 100644
--- a/lib/randomish.js
+++ b/lib/randomish.js
@@ -8,31 +8,31 @@ var utils = require('./utils.js');
 function Randomish() {
     if (!(this instanceof Randomish)) { throw new Error('missing new'); }
 
-    var bits = 0;
+    var weak = (randomBytes._weakCrypto || false);
+
+    var entropyBits = (weak ? 0: ((32 + 16) * 8));
     Object.defineProperty(this, 'entropy', {
         enumerable: true,
-        get: function() { return bits; }
+        get: function() { return entropyBits; }
     });
 
-    var weak = !!(randomBytes._weakCrypto);
-
     var entropy = new aes.ModeOfOperation.cbc(
         Randomish.randomishBytes(32),
         Randomish.randomishBytes(16)
     );
 
-    if (!weak) { bits += (32 + 16) * 8; }
-
-    utils.defineProperty(this, 'feedEntropy', function(data, expectedBits) {
+    utils.defineProperty(this, 'feedEntropy', function(data, expectedEntropyBits) {
         if (!data) { data = ''; }
-        if (!expectedBits) { expectedBits = 0; }
+        if (!expectedEntropyBits) { expectedEntropyBits = 0; }
 
-        if (parseInt(expectedBits) != expectedBits) { throw new Error('invalid expectedBits'); }
+        if (parseInt(expectedEntropyBits) != expectedBits) {
+            throw new Error('invalid expectedBits');
+        }
 
         data = (new Date()).getTime() + '-' + JSON.stringify(data) + '-' + data.toString();
         var hashed = utils.sha3(new Buffer(data, 'utf8'));
 
-        bits += expectedBits + (weak ? 0: ((32) * 8));
+        entropyBits += expectedEntropyBits + (weak ? 0: ((32) * 8));
 
         // Feed the hashed data and random data to the mode of operation
         entropy.encrypt(hashed.slice(0, 16));