diff --git a/b2comments.post.php b/b2comments.post.php
index 09d3e28489..20c8d23587 100644
--- a/b2comments.post.php
+++ b/b2comments.post.php
@@ -107,7 +107,7 @@ if ($ok) { // if there was no comment from this IP in the last 10 seconds
 			if ('' != $comment_author_email) {
 				$from = "From: \"$comment_author\" <$comment_author_email>\r\n";
 				} else {
-				$from = 'From: "' . stripslashes($blogname) . "\" <$authordata->user_email>\r\n";
+				$from = 'From: "' . stripslashes($comment_author) . "\" <$authordata->user_email>\r\n";
 				}
 			$from .= "X-Mailer: WordPress $b2_version with PHP/" . phpversion();