diff --git a/ext/index/main.php b/ext/index/main.php
index 55b81e79..c712708d 100644
--- a/ext/index/main.php
+++ b/ext/index/main.php
@@ -334,6 +334,10 @@ class Index extends Extension {
 			$hash = strtolower($matches[2]);
 			$event->add_querylet(new Querylet('images.hash = :hash', array("hash" => $hash)));
 		}
+		else if(preg_match("/^(phash)[=|:]([0-9a-fA-F]*)$/i", $event->term, $matches)) {
+			$phash = strtolower($matches[2]);
+			$event->add_querylet(new Querylet('images.phash = :phash', array("phash" => $phash)));
+		}
 		else if(preg_match("/^(filetype|ext)[=|:]([a-zA-Z0-9]*)$/i", $event->term, $matches)) {
 			$ext = strtolower($matches[2]);
 			$event->add_querylet(new Querylet('images.ext = :ext', array("ext" => $ext)));
diff --git a/ext/index/theme.php b/ext/index/theme.php
index 6bc915cb..83f78969 100644
--- a/ext/index/theme.php
+++ b/ext/index/theme.php
@@ -137,7 +137,7 @@ and of course start organising your images :-)
 		if (count($this->search_terms) > 0) {
 			if($this->page_number > 3) {
 				// only index the first pages of each term
-				$page->add_html_header('<meta name="robots" content="noindex">');
+				$page->add_html_header('<meta name="robots" content="noindex, nofollow">');
 			}
 			$query = url_escape(implode(' ', $this->search_terms));
 			$page->add_block(new Block("Images", $this->build_table($images, "#search=$query"), "main", 10, "image-list"));