diff --git a/lib/blockchain/chain.js b/lib/blockchain/chain.js
index 34f13eec..f8f73466 100644
--- a/lib/blockchain/chain.js
+++ b/lib/blockchain/chain.js
@@ -2283,6 +2283,8 @@ Chain.prototype.verifyLocks = co(function* verifyLocks(prev, tx, view, flags) {
   var locks = yield this.getLocks(prev, tx, view, flags);
   var medianTime;
 
+  // Also catches case where
+  // height is `-1`. Fall through.
   if (locks.height >= prev.height + 1)
     return false;
 
diff --git a/lib/utils/bloom.js b/lib/utils/bloom.js
index da515725..07a46c3a 100644
--- a/lib/utils/bloom.js
+++ b/lib/utils/bloom.js
@@ -27,7 +27,7 @@ var LN2 = 0.6931471805599453094172321214581765680755001343602552;
  * Bloom Filter
  * @exports Bloom
  * @constructor
- * @param {Number|Bufer} size - Filter size in bits, or filter itself.
+ * @param {Number|Buffer} bits - Filter size in bits, or filter itself.
  * @param {Number} n - Number of hash functions.
  * @param {Number} tweak - Seed value.
  * @param {Number|String} - Update type.
@@ -38,9 +38,9 @@ var LN2 = 0.6931471805599453094172321214581765680755001343602552;
  * @property {Number} update - Update flag (see {@link Bloom.flags}).
  */
 
-function Bloom(size, n, tweak, update) {
+function Bloom(bits, n, tweak, update) {
   if (!(this instanceof Bloom))
-    return new Bloom(size, n, tweak, update);
+    return new Bloom(bits, n, tweak, update);
 
   this.filter = DUMMY;
   this.size = 0;
@@ -48,8 +48,8 @@ function Bloom(size, n, tweak, update) {
   this.tweak = 0;
   this.update = Bloom.flags.NONE;
 
-  if (size != null)
-    this.fromOptions(size, n, tweak, update);
+  if (bits != null)
+    this.fromOptions(bits, n, tweak, update);
 }
 
 /**
@@ -109,22 +109,23 @@ Bloom.MAX_HASH_FUNCS = 50;
 /**
  * Inject properties from options.
  * @private
- * @param {Number|Bufer} size - Filter size in bits, or filter itself.
+ * @param {Number|Buffer} bits - Filter size in bits, or filter itself.
  * @param {Number} n - Number of hash functions.
  * @param {Number} tweak - Seed value.
  * @param {Number|String} - Update type.
  * @returns {Bloom}
  */
 
-Bloom.prototype.fromOptions = function fromOptions(size, n, tweak, update) {
-  var filter;
+Bloom.prototype.fromOptions = function fromOptions(bits, n, tweak, update) {
+  var filter, size;
 
-  if (Buffer.isBuffer(size)) {
-    filter = size;
+  if (Buffer.isBuffer(bits)) {
+    filter = bits;
     size = filter.length * 8;
   } else {
-    assert(typeof size === 'number', '`size` must be a number.');
-    assert(size > 0, '`size` must be greater than zero.');
+    assert(typeof bits === 'number', '`bits` must be a number or Buffer.');
+    assert(bits > 0, '`bits` must be greater than zero.');
+    size = bits;
     size -= size % 8;
     filter = new Buffer(size / 8);
     filter.fill(0);
@@ -157,21 +158,21 @@ Bloom.prototype.fromOptions = function fromOptions(size, n, tweak, update) {
 
 /**
  * Instantiate bloom filter from options.
- * @param {Number|Bufer} size - Filter size in bits, or filter itself.
+ * @param {Number|Buffer} bits - Filter size in bits, or filter itself.
  * @param {Number} n - Number of hash functions.
  * @param {Number} tweak - Seed value.
  * @param {Number|String} - Update type.
  * @returns {Bloom}
  */
 
-Bloom.fromOptions = function fromOptions(size, n, tweak, update) {
-  return new Bloom().fromOptions(size, n, tweak, update);
+Bloom.fromOptions = function fromOptions(bits, n, tweak, update) {
+  return new Bloom().fromOptions(bits, n, tweak, update);
 };
 
 /**
  * Perform the mumur3 hash on data.
  * @param {Buffer} val
- * @param {Number} seed
+ * @param {Number} n
  * @returns {Number}
  */
 
@@ -270,7 +271,7 @@ Bloom.fromRate = function fromRate(items, rate, update) {
   if (update !== -1)
     size = Math.min(size, Bloom.MAX_BLOOM_FILTER_SIZE * 8);
 
-  n = Math.max(1, size / items * LN2);
+  n = Math.max(1, (size / items * LN2) | 0);
 
   if (update !== -1)
     n = Math.min(n, Bloom.MAX_HASH_FUNCS);