diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3c3629e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules
diff --git a/bloomfilter.js b/bloomfilter.js
index eb81cbd..e3d1bae 100644
--- a/bloomfilter.js
+++ b/bloomfilter.js
@@ -42,7 +42,7 @@
   };
 
   BloomFilter.prototype.add = function(v) {
-    var l = this.locations(v),
+    var l = this.locations(v + ""),
         i = -1,
         k = this.k,
         buckets = this.buckets;
@@ -50,7 +50,7 @@
   };
 
   BloomFilter.prototype.test = function(v) {
-    var l = this.locations(v),
+    var l = this.locations(v + ""),
         i = -1,
         k = this.k,
         b,
diff --git a/package.json b/package.json
index 5e6c98f..f1aefe7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bloomfilter",
-  "version": "0.0.9",
+  "version": "0.0.10",
   "description": "Fast bloom filter in JavaScript.",
   "keywords": [
     "bloom filter",
diff --git a/test/bloomfilter-test.js b/test/bloomfilter-test.js
index 73971fe..3b0675e 100644
--- a/test/bloomfilter-test.js
+++ b/test/bloomfilter-test.js
@@ -30,9 +30,9 @@ suite.addBatch({
     },
     "basic uint32": function() {
       var f = new BloomFilter(1000, 4),
-          n1 = "\u100",
-          n2 = "\u101",
-          n3 = "\u103";
+          n1 = "\u0100",
+          n2 = "\u0101",
+          n3 = "\u0103";
       f.add(n1);
       assert.equal(f.test(n1), true);
       assert.equal(f.test(n2), false);
@@ -42,6 +42,12 @@ suite.addBatch({
       var f = new BloomFilter(20, 10);
       f.add("abc");
       assert.equal(f.test("wtf"), false);
+    },
+    "works with integer types": function() {
+      var f = new BloomFilter(1000, 4);
+      f.add(1);
+      assert.equal(f.test(1), true);
+      assert.equal(f.test(2), false);
     }
   }
 });