diff --git a/kdeedu-data.spec b/kdeedu-data.spec
index 10899b9..69f7510 100644
--- a/kdeedu-data.spec
+++ b/kdeedu-data.spec
@@ -1,4 +1,4 @@
-
+%undefine __cmake_in_source_build
 Name:    kdeedu-data
 Summary: Shared icons, artwork and data files for educational applications
 Version: 20.04.3
@@ -37,16 +37,12 @@ Requires: kde-filesystem
 
 
 %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
 
 # previous packages shipped %%{_kde4_appsdir}/kvtml , so let's
 # (hard)link data in in both places