diff --git a/.idea/runConfigurations/Start_sophon_backend.xml b/.idea/runConfigurations/Start_sophon_backend.xml
index 9c8fc10..e8e893b 100644
--- a/.idea/runConfigurations/Start_sophon_backend.xml
+++ b/.idea/runConfigurations/Start_sophon_backend.xml
@@ -5,7 +5,7 @@
     <option name="PARENT_ENVS" value="true" />
     <envs>
       <env name="PYTHONUNBUFFERED" value="1" />
-      <env name="DJANGO_ALLOWED_ORIGINS" value="http://dev.sophon.steffo.eu" />
+      <env name="DJANGO_ALLOWED_ORIGINS" value="http://dev.sophon.steffo.eu|http://localhost:3000" />
       <env name="DJANGO_PROXY_BASE_DOMAIN" value="dev.sophon.steffo.eu" />
       <env name="DJANGO_PROXY_PROTOCOL" value="http" />
       <env name="DJANGO_STATIC_URL" value="/static/" />
diff --git a/frontend/src/utils/ArrayExtension.ts b/frontend/src/utils/ArrayExtension.ts
index b85c35e..614cb10 100644
--- a/frontend/src/utils/ArrayExtension.ts
+++ b/frontend/src/utils/ArrayExtension.ts
@@ -7,6 +7,6 @@ export function arrayExtension<T>(array: Array<T>, index: number, newValue: T):
 
 export function arrayExclude<T>(array: Array<T>, index: number): Array<T> {
     const clone = [...array]
-    delete clone[index]
+    clone.splice(index, 1)
     return clone
 }