diff --git a/redhat-rpm-config.spec b/redhat-rpm-config.spec
index 2a2654e..b91a890 100644
--- a/redhat-rpm-config.spec
+++ b/redhat-rpm-config.spec
@@ -6,7 +6,7 @@
 
 Summary: Red Hat specific rpm configuration files
 Name: redhat-rpm-config
-Version: 39
+Version: 40
 Release: 1%{?dist}
 # No version specified.
 License: GPL+
@@ -137,6 +137,9 @@ install -p -m 755 -t %{buildroot}%{_rpmconfigdir} kmod.prov
 %{_rpmconfigdir}/macros.d/macros.kmp
 
 %changelog
+* Tue Feb 02 2016 Dan Horák <dan[at]danny.cz> 40-1
+- switch to -mcpu=power8 for ppc64le default compiler flags
+
 * Wed Jan 13 2016 Orion Poplawski <orion@cora.nwra.com> 39-1
 - Add Requires: python-srpm-macros
 
diff --git a/rpmrc b/rpmrc
index 03b6233..64d1862 100644
--- a/rpmrc
+++ b/rpmrc
@@ -29,7 +29,7 @@ optflags: ppciseries %{__global_cflags} -m32
 optflags: ppcpseries %{__global_cflags} -m32
 optflags: ppc64 %{__global_cflags} -m64
 optflags: ppc64p7 %{__global_cflags} -m64 -O3 -mcpu=power7 -mtune=power7
-optflags: ppc64le %{__global_cflags} -m64 -mcpu=power7 -mtune=power8
+optflags: ppc64le %{__global_cflags} -m64 -mcpu=power8 -mtune=power8
 optflags: ppc64iseries %{__global_cflags} -m64
 optflags: ppc64pseries %{__global_cflags} -m64
 optflags: ppc8260 %{__global_cflags} -m32