diff --git a/code/app/services/VideoService.php b/code/app/services/VideoService.php
index 479a55a..caf36cc 100644
--- a/code/app/services/VideoService.php
+++ b/code/app/services/VideoService.php
@@ -55,7 +55,7 @@ class VideoService
             'strParentCategory' => !empty($strParentCategory) ? $strParentCategory : '',
         ]);
 
-        $strUrl = preg_replace('#/{2,}#', '/', $strUrl);
+        $strUrl = preg_replace('#/{2,}#', '/', (string)$strUrl);
         return  (string)$strUrl;
     }
 
@@ -125,7 +125,7 @@ class VideoService
             'intPage' => $intPage ?? 1,
         ]);
 
-        $strUrl = preg_replace('#/{2,}#', '/', $strUrl);
+        $strUrl = preg_replace('#/{2,}#', '/', (string)$strUrl);
         return  (string)$strUrl;
     }
 
@@ -149,7 +149,7 @@ class VideoService
             'intPage' => $intPage ?? 1,
         ]);
 
-        $strUrl = preg_replace('#/{2,}#', '/', $strUrl);
+        $strUrl = preg_replace('#/{2,}#', '/', (string)$strUrl);
         return  (string)$strUrl;
     }