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-rw-r--r--src/http/modules/ngx_http_addition_filter_module.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/http/modules/ngx_http_addition_filter_module.c b/src/http/modules/ngx_http_addition_filter_module.c
index c05aefde4..5025f5649 100644
--- a/src/http/modules/ngx_http_addition_filter_module.c
+++ b/src/http/modules/ngx_http_addition_filter_module.c
@@ -87,7 +87,10 @@ ngx_http_addition_header_filter(ngx_http_request_t *r)
ngx_http_addition_ctx_t *ctx;
ngx_http_addition_conf_t *conf;
- if (r->headers_out.status != NGX_HTTP_OK || r != r->main) {
+ if (r->headers_out.status != NGX_HTTP_OK
+ || r != r->main
+ || r->headers_out.content_type.data == NULL)
+ {
return ngx_http_next_header_filter(r);
}