diff --git a/kcm_wacomtablet.spec b/kcm_wacomtablet.spec
index d57fe14..ec05fe8 100644
--- a/kcm_wacomtablet.spec
+++ b/kcm_wacomtablet.spec
@@ -1,3 +1,4 @@
+%undefine __cmake_in_source_build
 
 Name:    kcm_wacomtablet
 Summary: KDE Control module for Wacom Graphictablets
@@ -55,16 +56,12 @@ with profile support to handle different button/pen layouts per profile.
 
 
 %build
-mkdir %{_target_platform}
-pushd %{_target_platform}
-%{cmake_kf5} ..
-popd
-
-%make_build  -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