diff --git a/src/Dto/CrudDto.php b/src/Dto/CrudDto.php
index 73974530e2..ba85aebe4a 100644
--- a/src/Dto/CrudDto.php
+++ b/src/Dto/CrudDto.php
@@ -466,7 +466,7 @@ public function setSidebarWidth(string $sidebarWidth): void
         $this->sidebarWidth = $sidebarWidth;
     }
 
-    public function getAutocompleteInstanceNormalizer(): ?\Closure
+    public function getAutocompleteInstanceNormalizer(): ?Closure
     {
         return $this->autocompleteInstanceNormalizer;
     }