diff --git a/ChangeLog b/ChangeLog
index cd886956ae..d1de2109fd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2017-06-22  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/ieee754/float128/float128_private.h: Include
+	<ieee754.h>.
+
 	* sysdeps/generic/math_private.h (__EXPR_FLT128): Do not apply
 	typeof to argument passed to __builtin_types_compatible_p.
 	(min_of_type): Pass type argument, not x, to __EXPR_FLT128.
diff --git a/sysdeps/ieee754/float128/float128_private.h b/sysdeps/ieee754/float128/float128_private.h
index 1e00853c83..c8b153d0c1 100644
--- a/sysdeps/ieee754/float128/float128_private.h
+++ b/sysdeps/ieee754/float128/float128_private.h
@@ -23,6 +23,10 @@
 #define HUGE_VALL HUGE_VAL_F128
 #include <math/mul_splitl.h>
 
+/* This must be included before the renames of types and macros from
+   it.  */
+#include <ieee754.h>
+
 /* Renames derived from math_private.h.  */
 #include <math_private.h>
 #include <ieee754_float128.h>