diff --git a/ppc64-diag.spec b/ppc64-diag.spec
index 51d59f6..1973b1f 100644
--- a/ppc64-diag.spec
+++ b/ppc64-diag.spec
@@ -6,10 +6,15 @@ URL:            http://sourceforge.net/projects/linux-diag/files/ppc64-diag/
 Group:          System Environment/Base
 License:        GPLv2
 ExclusiveArch:  ppc %{power64}
-BuildRequires:  libservicelog-devel, flex, perl-interpreter, byacc
-BuildRequires:  libvpd-devel, systemd-units
+BuildRequires:  gcc-c++
+BuildRequires:  libservicelog-devel
+BuildRequires:  flex
+BuildRequires:  perl-interpreter
+BuildRequires:  byacc
+BuildRequires:  libvpd-devel
 BuildRequires:  ncurses-devel
 BuildRequires:  librtas-devel >= 1.4.0
+BuildRequires:  systemd-units
 BuildRequires:  systemd-devel
 BuildRequires:  libtool