diff --git a/server/modules/monitor/galera_mon.c b/server/modules/monitor/galera_mon.c
index 02a646aa2..ce2900e4a 100644
--- a/server/modules/monitor/galera_mon.c
+++ b/server/modules/monitor/galera_mon.c
@@ -454,7 +454,7 @@ size_t nrounds = 0;
 		 * round.
 		 */ 
 		if (nrounds != 0 && 
-			((nrounds*MON_BASE_INTERVAL_MS)%handle->interval) > 
+			((nrounds*MON_BASE_INTERVAL_MS)%handle->interval) >= 
 			MON_BASE_INTERVAL_MS) 
 		{
 			nrounds += 1;
diff --git a/server/modules/monitor/mysql_mon.c b/server/modules/monitor/mysql_mon.c
index 96781e78e..5050f3e85 100644
--- a/server/modules/monitor/mysql_mon.c
+++ b/server/modules/monitor/mysql_mon.c
@@ -618,7 +618,7 @@ size_t nrounds = 0;
 		 * round.
 		 */
 		if (nrounds != 0 && 
-			((nrounds*MON_BASE_INTERVAL_MS)%handle->interval) > 
+			((nrounds*MON_BASE_INTERVAL_MS)%handle->interval) >= 
 			MON_BASE_INTERVAL_MS) 
 		{
 			nrounds += 1;
diff --git a/server/modules/monitor/ndbcluster_mon.c b/server/modules/monitor/ndbcluster_mon.c
index 1997f274e..660179ef1 100644
--- a/server/modules/monitor/ndbcluster_mon.c
+++ b/server/modules/monitor/ndbcluster_mon.c
@@ -452,7 +452,7 @@ size_t nrounds = 0;
 		 * round.
 		 */ 
 		if (nrounds != 0 && 
-			((nrounds*MON_BASE_INTERVAL_MS)%handle->interval) > 
+			((nrounds*MON_BASE_INTERVAL_MS)%handle->interval) >= 
 			MON_BASE_INTERVAL_MS) 
 		{
 			nrounds += 1;