diff --git a/00-backend/src/main/java/de/htwsaar/webshop/controller/ArticleController.java b/00-backend/src/main/java/de/htwsaar/webshop/controller/ArticleController.java
index 3cc99e1..a30c8fb 100644
--- a/00-backend/src/main/java/de/htwsaar/webshop/controller/ArticleController.java
+++ b/00-backend/src/main/java/de/htwsaar/webshop/controller/ArticleController.java
@@ -74,7 +74,7 @@ public class ArticleController {
             return ResponseEntity.badRequest().body(false);
         }
         article.setId(articleService.findByUUID(uuid).getId());
-        if (articleService.update(article) != null) {
+        if (articleService.update(article) == null) {
             return ResponseEntity.internalServerError().body(false);
         }
         return ResponseEntity.ok(true);