diff --git a/lodash.js b/lodash.js
index bbb36781b..5c0a1919b 100644
--- a/lodash.js
+++ b/lodash.js
@@ -132,7 +132,7 @@
   var reIsHostCtor = /^\[object .+?Constructor\]$/;
 
   /** Used to detect unsigned integer values. */
-  var reIsUint = /^\d+$/;
+  var reIsUint = /^(?:\d|[1-9]\d+)$/;
 
   /** Used to match latin-1 supplementary letters (excluding mathematical operators). */
   var reLatin1 = /[\xc0-\xd6\xd8-\xde\xdf-\xf6\xf8-\xff]/g;
diff --git a/test/test.js b/test/test.js
index 67fa99630..5db50af1e 100644
--- a/test/test.js
+++ b/test/test.js
@@ -734,6 +734,7 @@
 
       if (func) {
         assert.strictEqual(func(0), true);
+        assert.strictEqual(func('0'), true);
         assert.strictEqual(func('1'), true);
         assert.strictEqual(func(3, 4), true);
         assert.strictEqual(func(MAX_SAFE_INTEGER - 1), true);
@@ -748,6 +749,8 @@
 
       if (func) {
         assert.strictEqual(func('1abc'), false);
+        assert.strictEqual(func('07'), false);
+        assert.strictEqual(func('0001'), false);
         assert.strictEqual(func(-1), false);
         assert.strictEqual(func(3, 3), false);
         assert.strictEqual(func(1.1), false);