diff --git a/lib/msun/src/math.h b/lib/msun/src/math.h
index 2ff1731054b..2214c07f344 100644
--- a/lib/msun/src/math.h
+++ b/lib/msun/src/math.h
@@ -461,7 +461,7 @@ long double	fmal(long double, long double, long double);
 long double	fmaxl(long double, long double) __pure2;
 long double	fminl(long double, long double) __pure2;
 long double	fmodl(long double, long double);
-long double	frexpl(long double value, int *); /* fundamentally !__pure2 */
+long double	frexpl(long double, int *); /* fundamentally !__pure2 */
 long double	hypotl(long double, long double);
 int		ilogbl(long double) __pure2;
 long double	ldexpl(long double, int);