diff --git a/client/lib/json-patch-lib.ts b/client/lib/json-patch-lib.ts
index 10dc42f..8f2ab0e 100644
--- a/client/lib/json-patch-lib.ts
+++ b/client/lib/json-patch-lib.ts
@@ -75,7 +75,7 @@ function recursiveApply<T extends Record<string, T>> (data: T, path: readonly st
 }
 
 function isObject (val: any): val is Record<string, unknown> {
-  return typeof val === 'object' && !Array.isArray(val) && val !== null
+  return typeof val === 'object' && val !== null
 }
 
 function jsonPathToKeyArray (path: string): string[] {