diff --git a/ext/admin/main.php b/ext/admin/main.php
index e7fceee0..179a13c7 100644
--- a/ext/admin/main.php
+++ b/ext/admin/main.php
@@ -125,6 +125,15 @@ class AdminPage extends Extension {
 		return false;
 	}
 
+	private function set_tag_case() {
+		global $database;
+		$database->execute($database->scoreql_to_sql(
+			"UPDATE tags SET tag=:tag1 WHERE SCORE_STRNORM(tag) = SCORE_STRNORM(:tag2)"
+		), array("tag1" => $_POST['tag'], "tag2" => $_POST['tag']));
+		log_info("admin", "Fixed the case of ".html_escape($_POST['tag']), true);
+		return true;
+	}
+
 	private function lowercase_all_tags() {
 		global $database;
 		$database->execute("UPDATE tags SET tag=lower(tag)");
diff --git a/ext/admin/theme.php b/ext/admin/theme.php
index c6e8fb94..7069afc0 100644
--- a/ext/admin/theme.php
+++ b/ext/admin/theme.php
@@ -31,6 +31,7 @@ class AdminPageTheme extends Themelet {
 	 *  'lowercase all tags'
 	 *  'recount tag use'
 	 *  'purge unused tags'
+	 *  etc
 	 */
 	public function display_form() {
 		global $page, $database;
@@ -40,8 +41,13 @@ class AdminPageTheme extends Themelet {
 		$html .= $this->button("Recount tag use", "recount_tag_user", false);
 		$html .= $this->button("Download all images", "image_dump", false);
 		$html .= $this->button("Download database contents", "database_dump", false);
-
 		$page->add_block(new Block("Misc Admin Tools", $html));
+
+		$html = make_form(make_link("admin/set_tag_case"), "POST");
+		$html .= "<input type='text' name='tag' placeholder='Enter tag with correct case'>";
+		$html .= "<input type='submit' value='Set Tag Case'>";
+		$html .= "</form>\n";
+		$page->add_block(new Block("Set Tag Case", $html));
 	}
 
 	public function dbq_html($terms) {