diff --git a/includes/Traits/Library.php b/includes/Traits/Library.php
index 200f572bd..057251f6f 100755
--- a/includes/Traits/Library.php
+++ b/includes/Traits/Library.php
@@ -231,6 +231,9 @@ public function safe_path($path)
     {
         $path = str_replace(['//', '\\\\'], ['/', '\\'], $path);
 
+        // Fix stream wrapper paths which must contain a double-slash (e.g. scheme://...)
+        $path = preg_replace( '#^([a-z][a-z0-9+\-.]*):/([^/])#i', '$1://$2', $path );
+
         return str_replace(['/', '\\'], DIRECTORY_SEPARATOR, $path);
     }