diff --git a/sapi/cli/php_cli_server.c b/sapi/cli/php_cli_server.c
index ec3b9ddb174..ce792b716c2 100644
--- a/sapi/cli/php_cli_server.c
+++ b/sapi/cli/php_cli_server.c
@@ -571,6 +571,12 @@ static void sapi_cli_server_register_variables(zval *track_vars_array TSRMLS_DC)
 		sapi_cli_server_register_variable(track_vars_array, "SERVER_SOFTWARE", tmp TSRMLS_CC);
 		efree(tmp);
 	}
+	{
+		char *tmp;
+		spprintf(&tmp, 0, "HTTP/%d.%d", client->request.protocol_version / 100, client->request.protocol_version % 100);
+		sapi_cli_server_register_variable(track_vars_array, "SERVER_PROTOCOL", tmp TSRMLS_CC);
+		efree(tmp);
+	}
 	sapi_cli_server_register_variable(track_vars_array, "REQUEST_URI", client->request.request_uri TSRMLS_CC);
 	sapi_cli_server_register_variable(track_vars_array, "REQUEST_METHOD", SG(request_info).request_method TSRMLS_CC);
 	sapi_cli_server_register_variable(track_vars_array, "PHP_SELF", client->request.vpath TSRMLS_CC);
diff --git a/sapi/cli/tests/php_cli_server_008.phpt b/sapi/cli/tests/php_cli_server_008.phpt
new file mode 100644
index 00000000000..390bf019a28
--- /dev/null
+++ b/sapi/cli/tests/php_cli_server_008.phpt
@@ -0,0 +1,71 @@
+--TEST--
+SERVER_PROTOCOL header availability
+--SKIPIF--
+<?php
+include "skipif.inc"; 
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+    die ("skip not for Windows");
+}
+?>
+--FILE--
+<?php
+include "php_cli_server.inc";
+php_cli_server_start('var_dump($_SERVER["SERVER_PROTOCOL"]);');
+
+list($host, $port) = explode(':', PHP_CLI_SERVER_ADDRESS);
+$port = intval($port)?:80;
+
+$fp = fsockopen($host, $port, $errno, $errstr, 0.5);
+if (!$fp) {
+  die("connect failed");
+}
+
+if(fwrite($fp, <<<HEADER
+GET / HTTP/1.1
+Host: {$host}
+
+
+HEADER
+)) {
+	while (!feof($fp)) {
+		echo fgets($fp);
+	}
+}
+
+fclose($fp);
+
+$fp = fsockopen($host, $port, $errno, $errstr, 0.5);
+if (!$fp) {
+  die("connect failed");
+}
+
+
+if(fwrite($fp, <<<HEADER
+GET / HTTP/1.0
+Host: {$host}
+
+
+HEADER
+)) {
+	while (!feof($fp)) {
+		echo fgets($fp);
+	}
+}
+
+fclose($fp);
+?>
+--EXPECTF--
+HTTP/1.1 200 OK
+Host: %s
+Connection: closed
+X-Powered-By: PHP/%s-dev
+Content-type: text/html
+
+string(8) "HTTP/1.1"
+HTTP/1.0 200 OK
+Host: %s
+Connection: closed
+X-Powered-By: PHP/%s-dev
+Content-type: text/html
+
+string(8) "HTTP/1.0"