diff --git a/kapptemplate.spec b/kapptemplate.spec
index 77bbf7b..c3acab1 100644
--- a/kapptemplate.spec
+++ b/kapptemplate.spec
@@ -1,3 +1,5 @@
+%undefine __cmake_in_source_build
+
 Name:    kapptemplate
 Summary: KDE Template generator
 Version: 20.04.3
@@ -58,16 +60,12 @@ Factory for the easy creation of KDE/Qt components and programs
 
 
 %build
-mkdir %{_target_platform}
-pushd %{_target_platform}
-%{cmake_kf5} ..
-popd
-
-make %{?_smp_mflags} -C %{_target_platform}
+%{cmake_kf5}
+%cmake_build
 
 
 %install
-make install/fast DESTDIR=%{buildroot} -C %{_target_platform}
+%cmake_install
 
 %find_lang %{name} --all-name --with-html