diff --git a/include/haproxy/http-t.h b/include/haproxy/http-t.h
index 1b4caf9d1..c6c50c95e 100644
--- a/include/haproxy/http-t.h
+++ b/include/haproxy/http-t.h
@@ -92,6 +92,7 @@ enum {
HTTP_ERR_410,
HTTP_ERR_413,
HTTP_ERR_421,
+ HTTP_ERR_422,
HTTP_ERR_425,
HTTP_ERR_429,
HTTP_ERR_500,
diff --git a/src/http.c b/src/http.c
index 0d6e92d91..83774516e 100644
--- a/src/http.c
+++ b/src/http.c
@@ -167,6 +167,7 @@ const int http_err_codes[HTTP_ERR_SIZE] = {
[HTTP_ERR_410] = 410,
[HTTP_ERR_413] = 413,
[HTTP_ERR_421] = 421,
+ [HTTP_ERR_422] = 422,
[HTTP_ERR_425] = 425,
[HTTP_ERR_429] = 429,
[HTTP_ERR_500] = 500,
@@ -267,6 +268,14 @@ const char *http_err_msgs[HTTP_ERR_SIZE] = {
"\r\n"
"421 Misdirected Request
\nRequest sent to a non-authoritative server.\n\n",
+ [HTTP_ERR_422] =
+ "HTTP/1.1 422 Unprocessable Content\r\n"
+ "Content-length: 116\r\n"
+ "Cache-Control: no-cache\r\n"
+ "Content-Type: text/html\r\n"
+ "\r\n"
+ "422 Unprocessable Content
\nThe server cannot process the contained instructions.\n\n",
+
[HTTP_ERR_425] =
"HTTP/1.1 425 Too Early\r\n"
"Content-length: 80\r\n"
@@ -371,6 +380,7 @@ int http_get_status_idx(unsigned int status)
case 410: return HTTP_ERR_410;
case 413: return HTTP_ERR_413;
case 421: return HTTP_ERR_421;
+ case 422: return HTTP_ERR_422;
case 425: return HTTP_ERR_425;
case 429: return HTTP_ERR_429;
case 500: return HTTP_ERR_500;
@@ -430,7 +440,7 @@ const char *http_get_reason(unsigned int status)
case 417: return "Expectation failed";
case 418: return "I'm a teapot";
case 421: return "Misdirected Request";
- case 422: return "Unprocessable entity";
+ case 422: return "Unprocessable Content";
case 423: return "Locked";
case 424: return "Method failure";
case 425: return "Too Early";