diff --git a/jsonconf.go b/jsonconf.go
index 520353a..7d9c055 100644
--- a/jsonconf.go
+++ b/jsonconf.go
@@ -77,7 +77,8 @@ func (cc *App) generateHTTPAndTLSAppConfFromConsulServices(conf *caddy.Config) (
 				Listen: []string{
 					fmt.Sprintf(":%d", cc.AutoReverseProxy.DefaultHTTPServerOptions.HTTPSPort),
 				},
-				Routes: caddyhttp.RouteList{cc.getAuthRoute()},
+				Routes:   caddyhttp.RouteList{cc.getAuthRoute()},
+				AllowH2C: true,
 			},
 		},
 	}