diff --git a/ChangeLog b/ChangeLog
index 4851dc7c12..970bc5fdc7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #18822]
+	* intl/gettextP.h (__dcngettext): Add attribute_hidden.
+	(__dcigettext): Likewise.
+
 2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
 
 	[BZ #18822]
diff --git a/intl/gettextP.h b/intl/gettextP.h
index 75b203ab52..d0af470b25 100644
--- a/intl/gettextP.h
+++ b/intl/gettextP.h
@@ -49,11 +49,12 @@ extern char *__dngettext (const char *__domainname,
 			  unsigned long int n);
 extern char *__dcngettext (const char *__domainname,
 			   const char *__msgid1, const char *__msgid2,
-			   unsigned long int __n, int __category);
+			   unsigned long int __n, int __category)
+     attribute_hidden;
 extern char *__dcigettext (const char *__domainname,
 			   const char *__msgid1, const char *__msgid2,
 			   int __plural, unsigned long int __n,
-			   int __category);
+			   int __category) attribute_hidden;
 extern char *__textdomain (const char *__domainname);
 extern char *__bindtextdomain (const char *__domainname,
 			       const char *__dirname);