diff --git a/assets/runtime/config/gitlab-pages/config b/assets/runtime/config/gitlab-pages/config
index 409786090..49f66a6d9 100644
--- a/assets/runtime/config/gitlab-pages/config
+++ b/assets/runtime/config/gitlab-pages/config
@@ -4,5 +4,5 @@ auth-redirect-uri={{GITLAB_PAGES_ACCESS_REDIRECT_URI}}
 auth-secret={{GITLAB_PAGES_ACCESS_SECRET}}
 gitlab-server={{GITLAB_PAGES_ACCESS_CONTROL_SERVER}}
 artifacts-server={{GITLAB_PAGES_ARTIFACTS_SERVER_URL}}
-internal-gitlab-server=http://localhost:8181
+internal-gitlab-server=http://localhost:8181{{GITLAB_RELATIVE_URL_ROOT}}
 api-secret-key={{GITLAB_INSTALL_DIR}}/.gitlab_pages_secret
diff --git a/assets/runtime/functions b/assets/runtime/functions
index 4a3759a68..68e46dabb 100644
--- a/assets/runtime/functions
+++ b/assets/runtime/functions
@@ -2113,6 +2113,7 @@ if [[ ${GITLAB_PAGES_ACCESS_CONTROL} == true ]]; then
   fi
 
   update_template ${GITLAB_PAGES_CONFIG} \
+      GITLAB_RELATIVE_URL_ROOT \
       GITLAB_PAGES_ACCESS_CLIENT_ID \
       GITLAB_PAGES_ACCESS_CLIENT_SECRET \
       GITLAB_PAGES_ACCESS_REDIRECT_URI \
@@ -2127,6 +2128,7 @@ if [[ ${GITLAB_PAGES_ACCESS_CONTROL} == true ]]; then
   fi
 else
   update_template ${GITLAB_PAGES_CONFIG} \
+      GITLAB_RELATIVE_URL_ROOT \
       GITLAB_INSTALL_DIR
 
   exec_as_git sed -i "/{{GITLAB_PAGES_ACCESS_CLIENT_ID}}/d" ${GITLAB_PAGES_CONFIG}