diff --git a/dtc.spec b/dtc.spec
index 8d37957..7651ffa 100644
--- a/dtc.spec
+++ b/dtc.spec
@@ -71,17 +71,17 @@ Python binding part.
 
 %prep
 %setup -q
-%patch1 -p1
 
 %build
 make %{?_smp_mflags} V=1 NO_PYTHON=1
 python3 pylibfdt/setup.py build '--executable=/usr/bin/python3 -s'
 
 %install
-%make_install PREFIX=%{_prefix} LIBDIR=%{_libdir}
+%make_install PREFIX=%{_prefix} LIBDIR=%{_libdir} NO_PYTHON=1
 install -p -m 644 libfdt/libfdt_env.h %{buildroot}/%{_includedir}
 rm -f %{buildroot}/%{_libdir}/*.a
-python3 pylibfdt/setup.py install -O1 --skip-build --force --root %{buildroot} --prefix %{_prefix}
+pushd pylibfdt
+python3 setup.py install -O1 --force --root %{buildroot} --prefix %{_prefix}
 
 %check
 make %{?_smp_mflags} check