2 files changed, 2 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index 5272d4f..00e0351 100644
--- a/NEWS
+++ b/NEWS
@@ -23,6 +23,7 @@ This file documents the major additions and syntax changes between releases.
         check_http --onredirect=sticky follows using the same IP address (sf.net #2550208)
         Fixed coredump from check_nt when invalid drive is specified (#2179754 - Olli Hauer)
         Fixed passing of quotes in OID for check_snmp (#1985230 - Jan Wagner, patch by John Barbuto)
+        Fixed check_http sending HTTP/1.0 with v1.1 headers (#2638765)
 
 1.4.13 25th Sept 2008
         Fix Debian bug #460097: check_http --max-age broken (Hilko Bengen)
diff --git a/plugins/check_http.c b/plugins/check_http.c
index 248c0f9..2f2460c 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -794,7 +794,7 @@ check_http (void)
   }
 #endif /* HAVE_SSL */
 
-  asprintf (&buf, "%s %s HTTP/1.0\r\n%s\r\n", http_method, server_url, user_agent);
+  asprintf (&buf, "%s %s %s\r\n%s\r\n", http_method, server_url, host_name ? "HTTP/1.1" : "HTTP/1.0", user_agent);
 
   /* tell HTTP/1.1 servers not to keep the connection alive */
   asprintf (&buf, "%sConnection: close\r\n", buf);