diff --git a/plugins/vacation_sieve/transfer/local.php b/plugins/vacation_sieve/transfer/local.php
index 01562c8..ac3f632 100644
--- a/plugins/vacation_sieve/transfer/local.php
+++ b/plugins/vacation_sieve/transfer/local.php
@@ -24,7 +24,7 @@ public function SaveScript($path,$script)
 
         # Create the folder if not exists
         if ( !is_dir($folder) )
-            $try = @mkdir($folder,true);
+            $try = @mkdir($folder,0755,true);
 
         if ( !$try )
         {
@@ -43,8 +43,16 @@ public function SaveScript($path,$script)
         }
 
         # Compile the script
-        if ( $success )
-            $success = (system("$this->params['sievecbin'] $path") == 0);
+        if ( $success && $this->params['sievecbin'] != '' )
+        {
+            $output = system($this->params['sievecbin'] . " $path 2>&1", $rc);
+            $success = ($rc == 0);
+            if ( !$success )
+            {
+               $msg = sprintf('Cannot execute "%s" to compile the script: %s', $this->params['sievecbin'], $output);
+               throw new Exception($msg);
+            }
+        }
 
         return $success;
     }