diff --git a/ChangeLog b/ChangeLog
index e0d956b23e..c710178110 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-12-12  Aurelien Jarno <aurelien@aurel32.net>
+
+	[BZ #22588]
+	* manual/conf.texi (SC_SSIZE_MAX): Rename into _SC_SSIZE_MAX.
+
 2017-12-11  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* argp/Makefile (CFLAGS-argp-help.c): Replace = with +=.
diff --git a/manual/conf.texi b/manual/conf.texi
index 62ab444139..f1dce4aa44 100644
--- a/manual/conf.texi
+++ b/manual/conf.texi
@@ -841,7 +841,7 @@ character value.
 Inquire about the value used to internally represent the zero priority level for
 the process execution.
 
-@item SC_SSIZE_MAX
+@item _SC_SSIZE_MAX
 @standards{X/Open, unistd.h}
 Inquire about the maximum value which can be stored in a variable of type
 @code{ssize_t}.