diff --git a/agent/cache-types/connect_ca_leaf.go b/agent/cache-types/connect_ca_leaf.go
index 2c1cd156a..1058ec26a 100644
--- a/agent/cache-types/connect_ca_leaf.go
+++ b/agent/cache-types/connect_ca_leaf.go
@@ -102,7 +102,7 @@ func (c *ConnectCALeaf) Fetch(opts cache.FetchOptions, req cache.Request) (cache
 	// needs a correct host ID, and we probably don't want to use TestCSR
 	// and want a non-test-specific way to create a CSR.
 	csr, pk := connect.TestCSR(&testing.RuntimeT{}, &connect.SpiffeIDService{
-		Host:       "1234.consul",
+		Host:       "11111111-2222-3333-4444-555555555555.consul",
 		Namespace:  "default",
 		Datacenter: reqReal.Datacenter,
 		Service:    reqReal.Service,