diff --git a/README.md b/README.md
index cc8f940..e276918 100644
--- a/README.md
+++ b/README.md
@@ -512,8 +512,7 @@ s('دانيال1')->isAlphanumeric(); // true
 
 ##### isBase64()
 
-Returns true if the string is base64 encoded, false
-otherwise.
+Returns true if the string is base64 encoded, false otherwise.
 
 ```php
 s('Zm9vYmFy')->isBase64(); // true
diff --git a/src/Stringy.php b/src/Stringy.php
index 028caa4..bb39145 100644
--- a/src/Stringy.php
+++ b/src/Stringy.php
@@ -635,7 +635,7 @@ class Stringy implements \Countable, \IteratorAggregate, \ArrayAccess
      */
     public function isBase64()
     {
-        return $this->str !== '' && ( base64_encode( base64_decode( $this->str, true ) ) === $this->str );
+        return (base64_encode(base64_decode($this->str, true)) === $this->str);
     }
 
     /**
diff --git a/tests/StringyTest.php b/tests/StringyTest.php
index 0a5206e..3fa1f37 100644
--- a/tests/StringyTest.php
+++ b/tests/StringyTest.php
@@ -2186,7 +2186,7 @@ class StringyTestCase extends PHPUnit_Framework_TestCase
     {
         return array(
             array(false, ' '),
-            array(false, ''),
+            array(true, ''),
             array(true, base64_encode('FooBar') ),
             array(true, base64_encode(' ') ),
             array(true, base64_encode('FÒÔBÀŘ') ),