diff --git a/qaccessibilityclient.spec b/qaccessibilityclient.spec
index d579af5..2b35cfe 100644
--- a/qaccessibilityclient.spec
+++ b/qaccessibilityclient.spec
@@ -1,3 +1,4 @@
+%undefine __cmake_in_source_build
 
 Name:    qaccessibilityclient
 Summary: Accessibility client library for Qt4
@@ -49,17 +50,13 @@ Requires: qt4-devel
 
 
 %build
-mkdir %{_target_platform}
-pushd %{_target_platform}
-%{cmake} .. \
+%{cmake} \
   -DQT4_BUILD:BOOL=ON
-popd
-
-%make_build -C %{_target_platform}
+%cmake_build
 
 
 %install
-make install/fast DESTDIR=%{buildroot} -C %{_target_platform}
+%cmake_install
 
 ## unpackaged files
 # consider putting into -tools subpkg?