From cb25c20123b57dd362f99225dfcc60e229869fb0 Mon Sep 17 00:00:00 2001
From: Matthias Kretschmann <m@kretschmann.io>
Date: Tue, 6 Dec 2022 08:30:18 +0000
Subject: [PATCH] fix search (#1822)

---
 src/@utils/aquarius/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/@utils/aquarius/index.ts b/src/@utils/aquarius/index.ts
index 1bc70cdbd..070037fcc 100644
--- a/src/@utils/aquarius/index.ts
+++ b/src/@utils/aquarius/index.ts
@@ -19,7 +19,7 @@ export const MAXIMUM_NUMBER_OF_PAGES_WITH_RESULTS = 476
 export function escapeEsReservedCharacters(value: string): string {
   // eslint-disable-next-line no-useless-escape
   const pattern = /([\!\*\+\-\=\<\>\&\|\(\)\[\]\{\}\^\~\?\:\\/"])/g
-  return value.replace(pattern, '\\$1')
+  return value?.replace(pattern, '\\$1')
 }
 
 /**