diff --git a/python-uranium-lulzbot.spec b/python-uranium-lulzbot.spec
index 37e02a3..4938339 100644
--- a/python-uranium-lulzbot.spec
+++ b/python-uranium-lulzbot.spec
@@ -41,6 +41,9 @@ BuildArch:	noarch
 # We need to byte-compile it with Python 3
 %global __python %{__python3}
 
+# Get Fedora 33++ behavior on anything older
+%undefine __cmake_in_source_build
+
 %description
 Uranium is a Python framework for building 3D printing related applications.
 
@@ -91,12 +94,12 @@ sed -i 's/"Language: ptbr\n"/"Language: pt_BR\n"/' resources/i18n/pt_BR/*.po
 echo '# empty' >> UM/Settings/ContainerRegistryInterface.py
 
 %build
-%{cmake} .
-make %{?_smp_mflags}
-make doc
+%cmake
+%cmake_build
+%cmake_build -- doc
 
 %install
-make install DESTDIR=%{buildroot}
+%cmake_install
 
 # Move the cmake files
 mv %{buildroot}%{_datadir}/cmake* %{buildroot}%{_datadir}/cmake