diff --git a/src/http/modules/ngx_http_fastcgi_module.c b/src/http/modules/ngx_http_fastcgi_module.c
index 6b1977340..3dedcdc26 100644
--- a/src/http/modules/ngx_http_fastcgi_module.c
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -2049,7 +2049,7 @@ ngx_http_fastcgi_process_header(ngx_http_request_t *r)
 
                     u->headers_in.status_n = status;
 
-                    if (status_line->len > 3) {
+                    if (status_line->len > 3 && status_line->data[3] == ' ') {
                         u->headers_in.status_line = *status_line;
                     }
 
diff --git a/src/http/modules/ngx_http_scgi_module.c b/src/http/modules/ngx_http_scgi_module.c
index 49977b07b..a6111c2d9 100644
--- a/src/http/modules/ngx_http_scgi_module.c
+++ b/src/http/modules/ngx_http_scgi_module.c
@@ -1154,7 +1154,7 @@ ngx_http_scgi_process_header(ngx_http_request_t *r)
 
                 u->headers_in.status_n = status;
 
-                if (status_line->len > 3) {
+                if (status_line->len > 3 && status_line->data[3] == ' ') {
                     u->headers_in.status_line = *status_line;
                 }
 
diff --git a/src/http/modules/ngx_http_uwsgi_module.c b/src/http/modules/ngx_http_uwsgi_module.c
index c1d0035cc..5fbc214b8 100644
--- a/src/http/modules/ngx_http_uwsgi_module.c
+++ b/src/http/modules/ngx_http_uwsgi_module.c
@@ -1391,7 +1391,7 @@ ngx_http_uwsgi_process_header(ngx_http_request_t *r)
 
                 u->headers_in.status_n = status;
 
-                if (status_line->len > 3) {
+                if (status_line->len > 3 && status_line->data[3] == ' ') {
                     u->headers_in.status_line = *status_line;
                 }