diff --git a/src/format/parse.rs b/src/format/parse.rs
index 6810f69..01e326e 100644
--- a/src/format/parse.rs
+++ b/src/format/parse.rs
@@ -673,6 +673,8 @@ fn test_rfc2822() {
     // Test data - (input, Ok(expected result after parse and format) or Err(error code))
     let testdates = [
         ("Tue, 20 Jan 2015 17:35:20 -0800", Ok("Tue, 20 Jan 2015 17:35:20 -0800")), // normal case
+        ("Fri,  2 Jan 2015 17:35:20 -0800", Ok("Fri, 02 Jan 2015 17:35:20 -0800")), // folding whitespace
+        ("Fri, 02 Jan 2015 17:35:20 -0800", Ok("Fri, 02 Jan 2015 17:35:20 -0800")), // leading zero
         ("20 Jan 2015 17:35:20 -0800", Ok("Tue, 20 Jan 2015 17:35:20 -0800")),  // no day of week
         ("20 JAN 2015 17:35:20 -0800", Ok("Tue, 20 Jan 2015 17:35:20 -0800")),  // upper case month
         ("Tue, 20 Jan 2015 17:35 -0800", Ok("Tue, 20 Jan 2015 17:35:00 -0800")), // no second