diff --git a/src/ngx_http_lua_headers_out.c b/src/ngx_http_lua_headers_out.c
index 15b0cf773a..7002710c5d 100644
--- a/src/ngx_http_lua_headers_out.c
+++ b/src/ngx_http_lua_headers_out.c
@@ -329,6 +329,7 @@ ngx_http_set_content_type_header(ngx_http_request_t *r,
     return ngx_http_set_header_helper(r, hv, value, NULL, 1);
 }
 
+
 static ngx_int_t ngx_http_set_last_modified_header(ngx_http_request_t *r,
         ngx_http_lua_header_val_t *hv, ngx_str_t *value)
 {
diff --git a/t/016-resp-header.t b/t/016-resp-header.t
index 86d57956c8..3b7e38f697 100644
--- a/t/016-resp-header.t
+++ b/t/016-resp-header.t
@@ -9,7 +9,7 @@ use Test::Nginx::Socket;
 
 repeat_each(2);
 
-plan tests => blocks() * repeat_each() * 3;
+plan tests => repeat_each() * (blocks() * 3 - 1);
 
 #no_diff();
 no_long_string();
@@ -729,7 +729,7 @@ Cache-Control: blah
   location /lua {
         content_by_lua '
             ngx.header["Last-Modified"] = ngx.http_time(1290079655)
-	    ngx.say(ngx.header["Last-Modified"])
+            ngx.say(ngx.header["Last-Modified"])
         ';
     }
 --- request
@@ -747,7 +747,7 @@ Last-Modified: Thu, 18 Nov 2010 11:27:35 GMT
   location /lua {
         content_by_lua '
             ngx.header["Last-Modified"] = ngx.http_time(1290079655)
-	    ngx.say(ngx.header["Last-Modified"])
+            ngx.say(ngx.header["Last-Modified"])
         ';
     }
 --- request