diff --git a/ospf6d/ospf6_snmp.c b/ospf6d/ospf6_snmp.c
index f8a3b92..4660392 100644
--- a/ospf6d/ospf6_snmp.c
+++ b/ospf6d/ospf6_snmp.c
@@ -528,7 +528,7 @@
     return NULL;
 
   len = *length - v->namelen;
-  len = (len >= 1 ? sizeof 1 : 0);
+  len = (len >= 1 ? 1 : 0);
   if (exact && len != 1)
     return NULL;
   if (len)