diff --git a/NEWS b/NEWS
index cfa0935c8d0..2436f1b85a8 100644
--- a/NEWS
+++ b/NEWS
@@ -14,6 +14,8 @@ PHP                                                                        NEWS
     (ilutov)
   . Fixed bug GH-15501 (Windows HAVE_<header>_H macros defined to 1 or
     undefined). (Peter Kokot)
+  . Fixed bug GH-15565 (--disable-ipv6 during compilation produces error
+    EAI_SYSTEM not found). (nielsdos)
 
 - Date:
   . Fixed bug GH-13773 (DatePeriod not taking into account microseconds for end
diff --git a/main/network.c b/main/network.c
index bf34043362d..9ca2b53b6ea 100644
--- a/main/network.c
+++ b/main/network.c
@@ -113,7 +113,9 @@ static const char *php_gai_strerror(int code)
 		{EAI_NONAME, "Name or service not known"},
 		{EAI_SERVICE, "Servname not supported for ai_socktype"},
 		{EAI_SOCKTYPE, "ai_socktype not supported"},
+#  ifdef EAI_SYSTEM
 		{EAI_SYSTEM, "System error"},
+#  endif
 		{0, NULL}
 	};
 	int i;