diff --git a/Service/ExportService.php b/Service/ExportService.php
index fba2949f..6997a7e8 100644
--- a/Service/ExportService.php
+++ b/Service/ExportService.php
@@ -99,7 +99,7 @@ public function exportIndex(
      */
     protected function getFilePath($filename): string
     {
-        if ($filename{0} == '/' || strstr($filename, ':') !== false) {
+        if ($filename[0] == '/' || strstr($filename, ':') !== false) {
             return $filename;
         }
 
diff --git a/Service/ImportService.php b/Service/ImportService.php
index 83cd73ba..3fa43572 100644
--- a/Service/ImportService.php
+++ b/Service/ImportService.php
@@ -65,7 +65,7 @@ public function importIndex(
      */
     protected function getFilePath($filename)
     {
-        if ($filename{0} == '/' || strstr($filename, ':') !== false) {
+        if ($filename[0] == '/' || strstr($filename, ':') !== false) {
             return $filename;
         }