diff --git a/includes/definitions/openbsd.yaml b/includes/definitions/openbsd.yaml
index 0c96fe9304..579dec11c4 100644
--- a/includes/definitions/openbsd.yaml
+++ b/includes/definitions/openbsd.yaml
@@ -6,7 +6,7 @@ bad_snmpEngineTime: true
 processor_stacked: 1
 over:
     - { graph: device_processor, text: 'Processor Usage' }
-    - { graph: device_ucd_memory, text: 'Memory Usage' }
+    - { graph: device_mempool, text: 'Memory Usage' }
 discovery:
     - sysObjectID: .1.3.6.1.4.1.30155.23.1
     - sysDescr: OpenBSD