diff --git a/CHANGELOG.md b/CHANGELOG.md
index df078dc9d..cee1a7843 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Next release
 
 - improvement: add loader for create/delete availability slot
+- Fix a bug: unable to update a space with a deleted machine
 
 ## v6.3.16 2024 March 11
 
diff --git a/app/frontend/src/javascript/lib/api.ts b/app/frontend/src/javascript/lib/api.ts
index 76e99d6fc..1de9110df 100644
--- a/app/frontend/src/javascript/lib/api.ts
+++ b/app/frontend/src/javascript/lib/api.ts
@@ -18,7 +18,7 @@ export default class ApiLib {
         ...object,
         ...attachmentAttributes.reduce((a, name) => { return { ...a, [name]: null }; }, {})
       }
-    }, { dateWithTimezone: true });
+    }, { dateWithTimezone: true, allowEmptyArrays: true });
     attachmentAttributes.forEach((attr) => {
       data.delete(`${name}[${attr}]`);
       if (Array.isArray(object[attr])) {