diff --git a/src/http/ngx_http_header_filter_module.c b/src/http/ngx_http_header_filter_module.c
index e8d1ff10a..21ee3bbd2 100644
--- a/src/http/ngx_http_header_filter_module.c
+++ b/src/http/ngx_http_header_filter_module.c
@@ -586,7 +586,7 @@ ngx_http_header_filter(ngx_http_request_t *r)
     }
 
     ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                   "%*s\n", (size_t) (b->last - b->pos), b->pos);
+                   "%*s", (size_t) (b->last - b->pos), b->pos);
 
     /* the end of HTTP header */
     *b->last++ = CR; *b->last++ = LF;