diff --git a/collector/collector.pl b/collector/collector.pl
index 99e8f8753537b01a3cdeb22b7aeb3b0c521f02d3..555415940d844a75ca0795b7ec0c49b2f2bd6453 100755
--- a/collector/collector.pl
+++ b/collector/collector.pl
@@ -28,6 +28,7 @@ my      $sql;
 
 sub     info(@)
 {
+    return if not -t STDOUT;
     # if 1 param only
     unshift @_, '%s'
         if $#_ == 0;