diff --git a/okteta.spec b/okteta.spec
index c16a916..40b880f 100644
--- a/okteta.spec
+++ b/okteta.spec
@@ -1,3 +1,5 @@
+%undefine __cmake_in_source_build
+
 Name:    okteta
 Summary: Binary/hex editor
 Epoch:   1
@@ -91,16 +93,12 @@ Requires:  %{name}-libs%{?_isa} = %{epoch}:%{version}-%{release}
 
 
 %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