diff --git a/cinder/files/rocky/cinder.conf.controller.Debian b/cinder/files/rocky/cinder.conf.controller.Debian
index 2c5bbaa..e781e1a 100644
--- a/cinder/files/rocky/cinder.conf.controller.Debian
+++ b/cinder/files/rocky/cinder.conf.controller.Debian
@@ -328,6 +328,9 @@
 # http/https timeout value for glance operations. If no value (None) is
 # supplied here, the glanceclient default value is used. (integer value)
 #glance_request_timeout = <None>
+{%- if controller.glance.request_timeout is defined %}
+glance_request_timeout = {{ controller.glance.request_timeout }}
+{%- endif %}
 
 # DEPRECATED: Deploy v2 of the Cinder API. (boolean value)
 # This option is deprecated for removal.