diff --git a/src/hashes/md5.rs b/src/hashes/md5.rs
index b265dd4..5dc5cbf 100644
--- a/src/hashes/md5.rs
+++ b/src/hashes/md5.rs
@@ -202,7 +202,7 @@ mod tests {
 
     #[test]
     fn hashing() {
-        //assert_same("", "d41d8cd98f00b204e9800998ecf8427e");
+        assert_same("", "d41d8cd98f00b204e9800998ecf8427e");
         assert_same("a", "0cc175b9c0f1b6a831c399e269772661");
         assert_same("abc", "900150983cd24fb0d6963f7d28e17f72");
         assert_same("message digest", "f96b697d7cb7938d525a2f31aaf161d0");