diff --git a/data/Dockerfiles/dovecot/imapsync_runner.pl b/data/Dockerfiles/dovecot/imapsync_runner.pl
index 9eaf5f431..1030603ce 100644
--- a/data/Dockerfiles/dovecot/imapsync_runner.pl
+++ b/data/Dockerfiles/dovecot/imapsync_runner.pl
@@ -132,8 +132,8 @@ while ($row = $sth->fetchrow_arrayref()) {
   "--tmpdir", "/tmp",
   "--nofoldersizes",
   "--addheader",
-  ($timeout1 gt "0" ? () : ('--timeout1', $timeout1)),
-  ($timeout2 gt "0" ? () : ('--timeout2', $timeout2)),
+  ($timeout1 le "0" ? () : ('--timeout1', $timeout1)),
+  ($timeout2 le "0" ? () : ('--timeout2', $timeout2)),
   ($exclude eq "" ? () : ("--exclude", $exclude)),
   ($subfolder2 eq "" ? () : ('--subfolder2', $subfolder2)),
   ($maxage eq "0" ? () : ('--maxage', $maxage)),