diff --git a/roles/httpd/reverseproxy/templates/reversepassproxy.conf b/roles/httpd/reverseproxy/templates/reversepassproxy.conf
index 8c4b47552d..9cf062b245 100644
--- a/roles/httpd/reverseproxy/templates/reversepassproxy.conf
+++ b/roles/httpd/reverseproxy/templates/reversepassproxy.conf
@@ -34,7 +34,7 @@ SSLProxyEngine On
 
 RewriteEngine on
 RewriteCond %{HTTP:Upgrade} ^WebSocket$ [NC]
-RewriteCond %{HTTP:Connection} ^Upgrade$ [NC]
+RewriteCond %{HTTP:Connection} Upgrade [NC]
 RewriteRule .* "balancer://{{ balancer_name }}-websocket%{REQUEST_URI}" [P]
 
 <Proxy "balancer://{{balancer_name}}">