diff --git a/includes/definitions/adva_fsp150.yaml b/includes/definitions/adva_fsp150.yaml
index 48abff9f32..aba7be3b4e 100644
--- a/includes/definitions/adva_fsp150.yaml
+++ b/includes/definitions/adva_fsp150.yaml
@@ -4,6 +4,7 @@ type: network
 icon: adva
 group: ADVA
 ifname: true
+mib_dir: adva
 over:
     - { graph: device_bits, text: Traffic }
     - { graph: device_temperature, text: Temperature }
@@ -11,4 +12,4 @@ discovery:
     -
         sysObjectID:
             - .1.3.6.1.4.1.2544.1.12.1.1.
-mib_dir: adva
+        sysDescr_except: ['FSP150CM-HUB'] #Exclude 150CM nemihubshelf (different OS, and failing to respond to most OID/crashing)