diff --git a/includes/definitions/arista_eos.yaml b/includes/definitions/arista_eos.yaml
index 743f2d21f9..5b997b2bf8 100644
--- a/includes/definitions/arista_eos.yaml
+++ b/includes/definitions/arista_eos.yaml
@@ -9,8 +9,7 @@ over:
     - { graph: device_mempool, text: 'Memory Usage' }
 discovery:
     -
-        sysDescr:
-            - Arista Networks EOS
+        sysObjectID: .1.3.6.1.4.1.30065.1
 poller_modules:
     wireless: false
     ipmi: false
diff --git a/includes/definitions/discovery/arista_eos.yaml b/includes/definitions/discovery/arista_eos.yaml
index 8e7ca7a9c1..5cc33aec8e 100644
--- a/includes/definitions/discovery/arista_eos.yaml
+++ b/includes/definitions/discovery/arista_eos.yaml
@@ -1,4 +1,4 @@
 modules:
     os:
-        sysDescr_regex: '/.+ version (?<version>.+) running on .+ (?<hardware>\S+)$/'
+        sysDescr_regex: '/ version (?<version>.+) running on .+ (?<hardware>\S+)$/'
         serial: ENTITY-MIB::entPhysicalSerialNum.1