diff --git a/ChangeLog b/ChangeLog
index 59c30e09a9..caf1ce9940 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2014-11-13  Joseph Myers  <joseph@codesourcery.com>
 
+	* stdlib/strtol.c (__strtol): Use prototype definition.
+
 	[BZ #17594]
 	* stdlib/strtol.c (SYM__): New macro.
 	(SYM__1): Likewise.
diff --git a/stdlib/strtol.c b/stdlib/strtol.c
index bd59180595..60a33c0060 100644
--- a/stdlib/strtol.c
+++ b/stdlib/strtol.c
@@ -104,10 +104,7 @@ libc_hidden_def (INTERNAL (strtol))
 
 
 INT
-__strtol (nptr, endptr, base)
-     const STRING_TYPE *nptr;
-     STRING_TYPE **endptr;
-     int base;
+__strtol (const STRING_TYPE *nptr, STRING_TYPE **endptr, int base)
 {
   return INTERNAL (__strtol_l) (nptr, endptr, base, 0, _NL_CURRENT_LOCALE);
 }