diff --git a/src/etc/inc/auth_func.inc b/src/etc/inc/auth_func.inc
index 795ccdbdf1..e142e4f42c 100644
--- a/src/etc/inc/auth_func.inc
+++ b/src/etc/inc/auth_func.inc
@@ -42,6 +42,16 @@ function cmp_page_matches($page, & $matches, $fullwc = true) {
 	$file = realpath( $g['www_path'] . '/' . ltrim($file, '/'));
 	if (empty($file)) {
 		/* File does not exist, or other path shenanigans */
+
+		/* Some tabs are just JS anchors, detect this case. */
+		if ((substr($page, 0, 1) == "#") &&
+		    (strpos($page, '.') === false) &&
+		    (strpos($page, '/') === false) &&
+		    (strpos($page, '?') === false)) {
+			return true;
+		}
+
+		/* Tried to query a path that does not exist */
 		return false;
 	}
 	$page = str_replace($g['www_path'] . '/', '', $file);