diff --git a/templates/ironicinspector/config/httpd.conf b/templates/ironicinspector/config/httpd.conf
index 5b98949e..1b904b00 100644
--- a/templates/ironicinspector/config/httpd.conf
+++ b/templates/ironicinspector/config/httpd.conf
@@ -30,8 +30,12 @@ CustomLog /dev/stdout proxy env=forwarded
   ServerName {{ $vhost.ServerName }}
 
   ## Request header rules
-  ## as per http://httpd.apache.org/docs/2.2/mod/mod_headers.html#requestheader
-  RequestHeader set X-Forwarded-Proto "https"
+  ## as per http://httpd.apache.org/docs/2.4/mod/mod_headers.html#requestheader
+  {{- if $vhost.TLS }}
+    RequestHeader setIfEmpty X-Forwarded-Proto "https"
+  {{- else }}
+    RequestHeader setIfEmpty X-Forwarded-Proto "http"
+  {{- end }}
 
   ## Proxy rules
   ProxyRequests Off