diff --git a/ood-portal-generator/spec/fixtures/ood-portal.conf.all b/ood-portal-generator/spec/fixtures/ood-portal.conf.all
index 62a73cfe4e..9e3a53e702 100644
--- a/ood-portal-generator/spec/fixtures/ood-portal.conf.all
+++ b/ood-portal-generator/spec/fixtures/ood-portal.conf.all
@@ -54,7 +54,7 @@ Listen 8080
   ServerAlias foo.example.com
 
   RewriteEngine On
-  RewriteRule ^(.*) https://test.proxy.name:8080$1 [R=301,NE,L]
+  RewriteRule ^(.*) https://%{HTTP_HOST}:8080$1 [R=301,NE,L]
 </VirtualHost>
 
 # The Open OnDemand portal VirtualHost
diff --git a/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-full b/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-full
index a07936eb37..2afe9bff8e 100644
--- a/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-full
+++ b/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-full
@@ -47,7 +47,7 @@
   ServerName example.com
 
   RewriteEngine On
-  RewriteRule ^(.*) https://example.com:443$1 [R=301,NE,L]
+  RewriteRule ^(.*) https://%{HTTP_HOST}:443$1 [R=301,NE,L]
 </VirtualHost>
 
 # The Open OnDemand portal VirtualHost
diff --git a/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-ldap b/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-ldap
index e9e434785a..66574daced 100644
--- a/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-ldap
+++ b/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-ldap
@@ -47,7 +47,7 @@
   ServerName example.com
 
   RewriteEngine On
-  RewriteRule ^(.*) https://example.com:443$1 [R=301,NE,L]
+  RewriteRule ^(.*) https://%{HTTP_HOST}:443$1 [R=301,NE,L]
 </VirtualHost>
 
 # The Open OnDemand portal VirtualHost
diff --git a/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-no-proxy b/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-no-proxy
index 1c0092b7fc..f91f667285 100644
--- a/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-no-proxy
+++ b/ood-portal-generator/spec/fixtures/ood-portal.conf.dex-no-proxy
@@ -47,7 +47,7 @@
   ServerName example.com
 
   RewriteEngine On
-  RewriteRule ^(.*) https://example.com:443$1 [R=301,NE,L]
+  RewriteRule ^(.*) https://%{HTTP_HOST}:443$1 [R=301,NE,L]
 </VirtualHost>
 
 # The Open OnDemand portal VirtualHost
diff --git a/ood-portal-generator/spec/fixtures/ood-portal.conf.oidc-ssl b/ood-portal-generator/spec/fixtures/ood-portal.conf.oidc-ssl
index 132624f846..230d3db741 100644
--- a/ood-portal-generator/spec/fixtures/ood-portal.conf.oidc-ssl
+++ b/ood-portal-generator/spec/fixtures/ood-portal.conf.oidc-ssl
@@ -47,7 +47,7 @@
   ServerName ondemand.example.com
 
   RewriteEngine On
-  RewriteRule ^(.*) https://ondemand.example.com:443$1 [R=301,NE,L]
+  RewriteRule ^(.*) https://%{HTTP_HOST}:443$1 [R=301,NE,L]
 </VirtualHost>
 
 # The Open OnDemand portal VirtualHost
diff --git a/ood-portal-generator/spec/fixtures/ood-portal.dex-full.proxy.conf b/ood-portal-generator/spec/fixtures/ood-portal.dex-full.proxy.conf
index cd3c79a99d..01babb5baa 100644
--- a/ood-portal-generator/spec/fixtures/ood-portal.dex-full.proxy.conf
+++ b/ood-portal-generator/spec/fixtures/ood-portal.dex-full.proxy.conf
@@ -47,7 +47,7 @@
   ServerName example.com
 
   RewriteEngine On
-  RewriteRule ^(.*) https://example-proxy.com:443$1 [R=301,NE,L]
+  RewriteRule ^(.*) https://%{HTTP_HOST}:443$1 [R=301,NE,L]
 </VirtualHost>
 
 # The Open OnDemand portal VirtualHost