diff --git a/src/app/Enums/ContentDispositionEnum.php b/src/app/Enums/ContentDispositionEnum.php
index 5a28c06..6f71e20 100644
--- a/src/app/Enums/ContentDispositionEnum.php
+++ b/src/app/Enums/ContentDispositionEnum.php
@@ -4,8 +4,8 @@ namespace Ae3\JasperServer\Laravel\Integrator\app\Enums;
 
 class ContentDispositionEnum
 {
-    const INLINE = "inline";
-    const ATTACHMENT = "attachment";
+    public const INLINE = "inline";
+    public const ATTACHMENT = "attachment";
 
     /**
      * @return array
@@ -17,4 +17,4 @@ class ContentDispositionEnum
             self::ATTACHMENT
         ];
     }
-}
\ No newline at end of file
+}
diff --git a/src/app/Enums/ReportFormatEnum.php b/src/app/Enums/ReportFormatEnum.php
index 172230d..b268807 100644
--- a/src/app/Enums/ReportFormatEnum.php
+++ b/src/app/Enums/ReportFormatEnum.php
@@ -4,14 +4,14 @@ namespace Ae3\JasperServer\Laravel\Integrator\app\Enums;
 
 class ReportFormatEnum
 {
-    const PDF = "pdf";
-    const HTML = "html";
-    const XML = "xml";
-    const CSV = "csv";
-    const DOCX = "docx";
-    const ODT = "odt";
-    const ODS = "ods";
-    const XLSX = "xlsx";
+    public const PDF = "pdf";
+    public const HTML = "html";
+    public const XML = "xml";
+    public const CSV = "csv";
+    public const DOCX = "docx";
+    public const ODT = "odt";
+    public const ODS = "ods";
+    public const XLSX = "xlsx";
 
     /**
      * @return array
@@ -70,4 +70,4 @@ class ReportFormatEnum
                 return 'text/html';
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/app/Services/JasperServerRequestService.php b/src/app/Services/JasperServerRequestService.php
index 191d0e8..feab582 100644
--- a/src/app/Services/JasperServerRequestService.php
+++ b/src/app/Services/JasperServerRequestService.php
@@ -280,7 +280,7 @@ class JasperServerRequestService implements JasperServerRequestServiceContract
      * @return string
      */
         private function appendFormatExtension(string $filename): string
-    {
-        return $filename . '.' . $this->format;
-    }
+        {
+            return $filename . '.' . $this->format;
+        }
 }