diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index aa375f2..76efd27 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -6,7 +6,7 @@ plugins {
 }
 
 checkstyle {
-    configFile = file("$rootDir/config/checkstyle.xml")
+    configFile = file("$rootDir/config/checkstyle/checkstyle.xml")
 }
 
 tasks.withType<Checkstyle> {
diff --git a/backend/src/main/java/de/szut/casino/config/OpenAPIConfiguration.java b/backend/src/main/java/de/szut/casino/config/OpenAPIConfiguration.java
index f102caf..7af90b9 100644
--- a/backend/src/main/java/de/szut/casino/config/OpenAPIConfiguration.java
+++ b/backend/src/main/java/de/szut/casino/config/OpenAPIConfiguration.java
@@ -58,4 +58,4 @@ public class OpenAPIConfiguration {
     }
 
 
-}
\ No newline at end of file
+}
diff --git a/backend/src/main/java/de/szut/casino/security/KeycloakLogoutHandler.java b/backend/src/main/java/de/szut/casino/security/KeycloakLogoutHandler.java
index 2403c82..5e08794 100644
--- a/backend/src/main/java/de/szut/casino/security/KeycloakLogoutHandler.java
+++ b/backend/src/main/java/de/szut/casino/security/KeycloakLogoutHandler.java
@@ -45,4 +45,4 @@ public class KeycloakLogoutHandler implements LogoutHandler {
         }
     }
 
-}
\ No newline at end of file
+}