diff --git a/src/app/convert/controllers/ConvertPdfController.php b/src/app/convert/controllers/ConvertPdfController.php
index 939856db2df163cdfe5e63e75be84dadfb6489b4..2ec79da678e088de621d9037be85ba6d1fce5801 100755
--- a/src/app/convert/controllers/ConvertPdfController.php
+++ b/src/app/convert/controllers/ConvertPdfController.php
@@ -245,6 +245,7 @@ class ConvertPdfController
 
         $convertedDocument = null;
         $pathToDocument = null;
+        $isDocserverEncrypted = false;
 
         if ($args['collId'] == 'letterbox_coll') {
             $resource = ResModel::getById(['resId' => $args['resId'], 'select' => ['version']]);
@@ -268,6 +269,7 @@ class ConvertPdfController
                     return ['errors' => $getDecryptedFilePath['errors']];
                 }
                 $pathToDocument = $getDecryptedFilePath['path'];
+                $isDocserverEncrypted = $docserver['is_encrypted'];
                 
                 if (is_file($pathToDocument)) {
                     $docserverType = DocserverTypeModel::getById(['id' => $docserver['docserver_type_id'], 'select' => ['fingerprint_mode']]);
@@ -294,6 +296,7 @@ class ConvertPdfController
                     return ['errors' => $getDecryptedFilePath['errors']];
                 }
                 $pathToDocument = $getDecryptedFilePath['path'];
+                $isDocserverEncrypted = $docserver['is_encrypted'];
                 
                 if (is_file($pathToDocument)) {
                     $docserverType = DocserverTypeModel::getById(['id' => $docserver['docserver_type_id'], 'select' => ['fingerprint_mode']]);
@@ -305,7 +308,7 @@ class ConvertPdfController
         }
 
         //Remove decrypted file
-        DocserverController::removeDecryptedFile($pathToDocument, $docserver['is_encrypted']);
+        DocserverController::removeDecryptedFile($pathToDocument, $isDocserverEncrypted);
 
         if (empty($convertedDocument)) {
             $convertedDocument = ConvertPdfController::convert([