diff --git a/observability/prometheus/rules/rabbitmq/file-descriptors-near-limit.yml b/observability/prometheus/rules/rabbitmq/file-descriptors-near-limit.yml
index c08c5a7cf..fd099c742 100644
--- a/observability/prometheus/rules/rabbitmq/file-descriptors-near-limit.yml
+++ b/observability/prometheus/rules/rabbitmq/file-descriptors-near-limit.yml
@@ -14,7 +14,7 @@ spec:
       expr: |
         sum by(namespace, rabbitmq_cluster, pod, rabbitmq_node) (max_over_time(rabbitmq_process_open_fds[5m]) * on(instance) group_left(rabbitmq_cluster, rabbitmq_node, pod) rabbitmq_identity_info)
         /
-        sum by(namespace, rabbitmq_cluster, pod, rabbitmq_node) (rabbitmq_process_max_tcp_sockets  * on(instance) group_left(rabbitmq_cluster, rabbitmq_node, pod) rabbitmq_identity_info)
+        sum by(namespace, rabbitmq_cluster, pod, rabbitmq_node) (rabbitmq_process_max_fds  * on(instance) group_left(rabbitmq_cluster, rabbitmq_node, pod) rabbitmq_identity_info)
         > 0.8
       for: 10m
       annotations: