diff --git a/SLOF.spec b/SLOF.spec
index 0db8cb4..a7faa44 100644
--- a/SLOF.spec
+++ b/SLOF.spec
@@ -10,7 +10,7 @@
 
 Name:           SLOF
 Version:        0.1.git%{gittagdate}
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Slimline Open Firmware
 
 License:        BSD
@@ -33,6 +33,7 @@ BuildRequires:  gcc-powerpc64-linux-gnu
 ExclusiveArch:  ppc64le
 %endif
 
+BuildRequires:  gcc
 BuildRequires:  perl(Data::Dumper)
 
 
@@ -73,6 +74,9 @@ cp -a boot_rom.bin %{buildroot}%{_datadir}/qemu/slof.bin
 
 
 %changelog
+* Thu Jul 19 2018 Richard W.M. Jones <rjones@redhat.com> - 0.1.git20171214-4
+- BR gcc, needed even when cross-compiling to make a build tool.
+
 * Thu Jul 12 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.git20171214-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild