1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/check_smtp.c b/plugins/check_smtp.c
index 19e9731b..a43b993b 100644
--- a/plugins/check_smtp.c
+++ b/plugins/check_smtp.c
@@ -228,7 +228,7 @@ main (int argc, char **argv)
         printf (_("SMTP %s - %.3f sec. response time%s%s|%s\n"),
                 state_text (result), elapsed_time,
           verbose?", ":"", verbose?buffer:"",
-                perfdata ("time", microsec, "us",
+                fperfdata ("time", elapsed_time, "s",
                           (int)check_warning_time, warning_time,
                           (int)check_critical_time, critical_time,
                           TRUE, 0, FALSE, 0));