diff --git a/roles/bootstrap-os/tasks/bootstrap-redhat.yml b/roles/bootstrap-os/tasks/bootstrap-redhat.yml
index c519ee504a8bc14d4e99f02e4a815e15b6e9c29f..def816465f17adc737b3487ce50ad4e61ae3de01 100644
--- a/roles/bootstrap-os/tasks/bootstrap-redhat.yml
+++ b/roles/bootstrap-os/tasks/bootstrap-redhat.yml
@@ -17,7 +17,7 @@
   when: not skip_http_proxy_on_os_packages
 
 - name: Add proxy to RHEL subscription-manager if http_proxy is defined
-  command: /sbin/subscription-manager config --server.proxy_hostname={{ http_proxy | regex_replace(':\d+$') }} --server.proxy_port={{ http_proxy | regex_replace('^.*:') }}
+  command: /sbin/subscription-manager config --server.proxy_hostname={{ http_proxy | regex_replace(':\d+$') | regex_replace('^.*://') }} --server.proxy_port={{ http_proxy | regex_replace('^.*:') }}
   become: true
   when:
     - not skip_http_proxy_on_os_packages