diff --git a/pypy3.spec b/pypy3.spec
index cb0d323..24d9504 100644
--- a/pypy3.spec
+++ b/pypy3.spec
@@ -93,7 +93,7 @@ ExcludeArch: aarch64
 # it on the other archs.  The resulting binary will typically be slower than
 # CPython for the latter case.
 
-%ifarch %{ix86} x86_64 %{arm}
+%ifarch %{ix86} x86_64 %{arm} %{power64} s390x
 %global with_jit 1
 %else
 %global with_jit 0
@@ -832,6 +832,7 @@ CheckPyPy %{name}-stackless
 * Mon Dec 25 2017 Miro Hrončok <mhroncok@redhat.com> - 5.10.0-1
 - Update to 5.10 (#1528841)
 - Use pypy2 and python2-pycparser (note the twos)
+- Enable JIT on power and s390x
 
 * Fri Oct 20 2017 Miro Hrončok <mhroncok@redhat.com> - 5.9.0-1
 - Update to 5.9 (#1504427)