diff --git a/NEWS b/NEWS
index 22ccf6af0ed..570beeebf3c 100644
--- a/NEWS
+++ b/NEWS
@@ -22,6 +22,10 @@ PHP                                                                        NEWS
   . Fixed bug GH-12282 (IntlDateFormatter::construct should throw an exception
     on an invalid locale). (David Carlier)
 
+- MySQLnd:
+  . Fixed bug GH-12297 (PHP Startup: Invalid library (maybe not a PHP library)
+    'mysqlnd.so' in Unknown on line). (nielsdos)
+
 - PCRE:
   . Fixed bug GH-11956 (Backport upstream fix, PCRE regular expressions with
     JIT enabled gives different result). (nielsdos)
diff --git a/ext/mysqlnd/php_mysqlnd.c b/ext/mysqlnd/php_mysqlnd.c
index ff31a54b454..dd7ded12c20 100644
--- a/ext/mysqlnd/php_mysqlnd.c
+++ b/ext/mysqlnd/php_mysqlnd.c
@@ -15,6 +15,9 @@
   +----------------------------------------------------------------------+
 */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 #include "php.h"
 #include "mysqlnd.h"
 #include "mysqlnd_priv.h"