diff --git a/dashboard/builders.go b/dashboard/builders.go
index 65586e9..f456028 100644
--- a/dashboard/builders.go
+++ b/dashboard/builders.go
@@ -475,6 +475,7 @@
 	},
 	"host-solaris-oracle-amd64-oraclerel": {
 		Notes:     "Oracle Solaris amd64 Release System",
+		HostArch:  "solaris-amd64",
 		Owners:    []*gophers.Person{gh("rorth")}, // https://github.com/golang/go/issues/15581#issuecomment-550368581
 		IsReverse: true,
 		ExpectNum: 1,