diff --git a/doc/configuration.txt b/doc/configuration.txt
index 128447dc0..c82959053 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -2905,6 +2905,10 @@ http-check expect [!] <match> <pattern>
   waste some CPU cycles, especially when regular expressions are used, and that
   it is always better to focus the checks on smaller resources.
 
+  Also "http-check expect" doesn't support HTTP keep-alive. Keep in mind that it
+  will automatically append a "Connection: close" header, meaning that this
+  header should not be present in the request provided by "option httpchk".
+
   Last, if "http-check expect" is combined with "http-check disable-on-404",
   then this last one has precedence when the server responds with 404.
 
diff --git a/src/checks.c b/src/checks.c
index feca96e2f..1b5b7319b 100644
--- a/src/checks.c
+++ b/src/checks.c
@@ -1427,6 +1427,9 @@ static int connect_conn_chk(struct task *t)
 		else if ((check->type) == PR_O2_HTTP_CHK) {
 			if (s->proxy->options2 & PR_O2_CHK_SNDST)
 				bo_putblk(check->bo, trash.str, httpchk_build_status_header(s, trash.str, trash.size));
+			/* prevent HTTP keep-alive when "http-check expect" is used */
+			if (s->proxy->options2 & PR_O2_EXP_TYPE)
+				bo_putstr(check->bo, "Connection: close\r\n");
 			bo_putstr(check->bo, "\r\n");
 			*check->bo->p = '\0'; /* to make gdb output easier to read */
 		}