diff --git a/index.php b/index.php
index 5a0f3c9..bd9edb5 100644
--- a/index.php
+++ b/index.php
@@ -41,7 +41,13 @@
             // write to file
             if (!is_null($_POST["body"]) && strlen($_POST["body"]) != 0) {
                 $myfile = fopen("posts.txt", "a") or die("Unable to open file! (a)");
-                fwrite($myfile, htmlspecialchars($_POST["signature"]) . ": " . htmlspecialchars($_POST["body"]) . "<br>");
+
+                if (strlen($_POST["signature"]) != 0) {
+                    fwrite($myfile, htmlspecialchars($_POST["signature"]) . ": " . htmlspecialchars($_POST["body"]) . "<br>");
+                } else {
+                    fwrite($myfile, "anon: " . htmlspecialchars($_POST["body"]) . "<br>");
+                }
+
                 fclose($myfile);
             }