1 files changed, 3 insertions, 1 deletions

diff --git a/plugins/check_ntp.c b/plugins/check_ntp.c
index df6e02f..2854161 100644
--- a/plugins/check_ntp.c
+++ b/plugins/check_ntp.c
@@ -487,7 +487,9 @@ double offset_request(const char *host, int *stratum, int *status){
                         avg_offset+=servers[best_index].offset[j];
                 }
                 avg_offset/=servers[best_index].num_responses;
-                *stratum = servers[best_index].stratum;
+                /* Stratum sent in normal packets is ingreased by 1 (i.e. stratum that
+                 * would be displayed if we were a server) so we decrease it */
+                *stratum = servers[best_index].stratum - 1;
         }
 
         /* cleanup */