diff --git a/src/common/core/errors/errors.lua b/src/common/core/errors/errors.lua
index 242a424ef..d46cf0b48 100644
--- a/src/common/core/errors/errors.lua
+++ b/src/common/core/errors/errors.lua
@@ -104,7 +104,7 @@ function errors:render_template(code)
 	-- Override HSTS header
 	local ssl
 
-	if self.ctx.bw and self.ctx.bw.https_configured == "yes" then
+	if self.ctx.bw and self.ctx.bw.scheme == "https" then
 		ssl = true
 	else
 		ssl = ngx.var.scheme == "https"
diff --git a/src/common/core/headers/headers.lua b/src/common/core/headers/headers.lua
index d93e12e10..cae9ae603 100644
--- a/src/common/core/headers/headers.lua
+++ b/src/common/core/headers/headers.lua
@@ -80,7 +80,7 @@ end
 function headers:header()
 	-- Override upstream headers if needed
 	local ngx_header = ngx.header
-	local ssl = self.ctx.bw.https_configured == "yes"
+	local ssl = self.ctx.bw.scheme == "https"
 	for variable, header in pairs(self.all_headers) do
 		if
 			ngx_header[header] == nil