diff --git a/gcc.changes b/gcc.changes
index 7699f7a..604b345 100644
--- a/gcc.changes
+++ b/gcc.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Feb 10 10:24:49 UTC 2017 - rguenther@suse.com
+
+- Enable Ada for s390x.
+
 -------------------------------------------------------------------
 Mon Jan 23 12:36:58 UTC 2017 - rguenther@suse.com
 
diff --git a/gcc.spec b/gcc.spec
index 54e96e3..83b2560 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -28,10 +28,10 @@ Name:           gcc
 # Ada currently fails to build on a few platforms, enable it only
 # on those that work
 # Note that AdaCore only supports %ix86, x86_64 and ia64
-%ifarch %ix86 x86_64 ppc ppc64 ppc64le s390 ia64 aarch64
+%ifarch %ix86 x86_64 ppc ppc64 ppc64le s390 s390x ia64 aarch64
 %define build_ada 1
 %else
-# alpha s390x hppa arm
+# alpha hppa arm
 %define build_ada 0
 %endif
 Url:            http://gcc.gnu.org/