diff --git a/_data/rules.yml b/_data/rules.yml
index 1f98cb6..fd5aa22 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -494,12 +494,12 @@ groups:
                 severity: critical
               - name: MySQL too many connections (> 80%)
                 description: 'More than 80% of MySQL connections are in use on {{ $labels.instance }}'
-                query: 'avg by (instance) (rate(mysql_global_status_threads_connected[1m])) / avg by (instance) (mysql_global_variables_max_connections) * 100 > 80'
+                query: 'max_over_time(mysql_global_status_threads_connected[1m]) / mysql_global_variables_max_connections * 100 > 80'
                 severity: warning
                 for: 2m
               - name: MySQL high threads running
                 description: 'More than 60% of MySQL connections are in running state on {{ $labels.instance }}'
-                query: 'avg by (instance) (rate(mysql_global_status_threads_running[1m])) / avg by (instance) (mysql_global_variables_max_connections) * 100 > 60'
+                query: 'max_over_time(mysql_global_status_threads_running[1m]) / mysql_global_variables_max_connections * 100 > 60'
                 severity: warning
                 for: 2m
               - name: MySQL Slave IO thread not running