diff --git a/index.css b/index.css
index 4443f61..3225c4d 100644
--- a/index.css
+++ b/index.css
@@ -149,6 +149,10 @@ a.tool {
 	color: #eeeeee;
 }
 
+a.missing-link {
+	color: #ba0000;
+}
+
 input.tool {
 	font-size: 11px;
 	color: #000000;
diff --git a/index.php b/index.php
index e1313ac..4b4d5fe 100644
--- a/index.php
+++ b/index.php
@@ -84,7 +84,13 @@
 
 function _handle_links($match)
 {
-	return "<a href=\"" . SELF . VIEW . "/" . htmlentities($match[1]) . "\">" . htmlentities($match[1]) . "</a>";
+	$link_page = $match[1];
+	$link_filename = PAGES_PATH . "/$link_page.txt";
+	$link_page_exists = file_exists($link_filename);
+	if ($link_page_exists)
+		return "<a href=\"" . SELF . VIEW . "/" . htmlentities($link_page) . "\">" . htmlentities($link_page) . "</a>";
+	else
+		return "<a href=\"" . SELF . VIEW . "/" . htmlentities($link_page) . "\" class=\"missing-link\">" . htmlentities($link_page) . "</a>";
 }
 
 
@@ -246,6 +252,7 @@ function file_put_contents($n, $d)
 	$page = DEFAULT_PAGE;
 
 $filename = PAGES_PATH . "/$page.txt";
+$text = "";
 
 if ( file_exists($filename) )
 {