diff --git a/ChangeLog b/ChangeLog
index 9cd4867aed..a577d3d853 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2012-12-05  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/ieee754/ldbl-128ibm/x2y2m1l.c: Include <stdlib.h>.
+
 	* stdio-common/tst-put-error.c (do_test): Use 10000000 instead of
 	10000 as width of padded output.
 
diff --git a/sysdeps/ieee754/ldbl-128ibm/x2y2m1l.c b/sysdeps/ieee754/ldbl-128ibm/x2y2m1l.c
index 4379b68c3c..9631b07a55 100644
--- a/sysdeps/ieee754/ldbl-128ibm/x2y2m1l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/x2y2m1l.c
@@ -19,6 +19,7 @@
 #include <math.h>
 #include <math_private.h>
 #include <float.h>
+#include <stdlib.h>
 
 /* Calculate X + Y exactly and store the result in *HI + *LO.  It is
    given that |X| >= |Y| and the values are small enough that no