diff --git a/install b/install
index 1220e77..747a0ec 100755
--- a/install
+++ b/install
@@ -622,10 +622,10 @@ config_boulder() {
     sed -i -e "s/5002/80/g" config/va-remote-b.json
     sed -i -e "s|http://boulder:4000/terms/v1|http://$LABCA_FQDN/terms/v1|" config/wfe.json
     sed -i -e "s|https://boulder:4431/terms/v7|https://$LABCA_FQDN/terms/v1|" config/wfe2.json
-    sed -i -e "s|http://boulder:4430/acme/issuer-cert|http://$LABCA_FQDN/acme/issuer-cert|" config/ca-a.json
-    sed -i -e "s|http://boulder:4430/acme/issuer-cert|http://$LABCA_FQDN/acme/issuer-cert|" config/ca-b.json
-    sed -i -e "s|http://127.0.0.1:4000/acme/issuer-cert|http://$LABCA_FQDN/acme/issuer-cert|" config/ca-a.json
-    sed -i -e "s|http://127.0.0.1:4000/acme/issuer-cert|http://$LABCA_FQDN/acme/issuer-cert|" config/ca-b.json
+    sed -i -e "s|http://boulder:4430/acme/issuer-cert|http://$LABCA_FQDN/certs/ca-int.der|" config/ca-a.json
+    sed -i -e "s|http://boulder:4430/acme/issuer-cert|http://$LABCA_FQDN/certs/ca-int.der|" config/ca-b.json
+    sed -i -e "s|http://127.0.0.1:4000/acme/issuer-cert|http://$LABCA_FQDN/certs/ca-int.der|" config/ca-a.json
+    sed -i -e "s|http://127.0.0.1:4000/acme/issuer-cert|http://$LABCA_FQDN/certs/ca-int.der|" config/ca-b.json
     sed -i -e "s|http://boulder:4430/acme/issuer-cert|http://$LABCA_FQDN/acme/issuer-cert|" config/wfe2.json
     sed -i -e "s|http://127.0.0.1:4000/acme/issuer-cert|https://$LABCA_FQDN/acme/issuer-cert|" config/wfe2.json
     sed -i -e "s|http://127.0.0.1:4002/|http://$LABCA_FQDN/ocsp/|g" config/ca-a.json