diff --git a/NEWS b/NEWS
index 0736b93e881..052e9a78cbd 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,8 @@ PHP                                                                        NEWS
 - CURL:
   . Fixed bug #75093 (OpenSSL support not detected). (Remi)
 
+- Standard:
+  . Fixed bug #75097 (gethostname fails if your host name is 64 chars long). (Andrea)
 
 31 Aug 2017, PHP 7.1.9
 
diff --git a/ext/standard/dns.c b/ext/standard/dns.c
index e0604698bbd..d7513e076fe 100644
--- a/ext/standard/dns.c
+++ b/ext/standard/dns.c
@@ -131,13 +131,13 @@ static zend_string *php_gethostbyname(char *name);
    Get the host name of the current machine */
 PHP_FUNCTION(gethostname)
 {
-	char buf[HOST_NAME_MAX];
+	char buf[HOST_NAME_MAX + 1];
 
 	if (zend_parse_parameters_none() == FAILURE) {
 		return;
 	}
 
-	if (gethostname(buf, sizeof(buf) - 1)) {
+	if (gethostname(buf, sizeof(buf))) {
 		php_error_docref(NULL, E_WARNING, "unable to fetch host [%d]: %s", errno, strerror(errno));
 		RETURN_FALSE;
 	}