diff --git a/player.spec b/player.spec
index 1d8f800..b393e05 100644
--- a/player.spec
+++ b/player.spec
@@ -1,3 +1,4 @@
+%undefine __cmake_in_source_build
 %global abiversion 3.1
 %global releasetag release-3-1-0
 
@@ -144,9 +145,9 @@ are experimental.
 %patch6 -p1 -b .opencv4
 
 %build
-mkdir build; pushd build
 export LDFLAGS="%{?__global_ldflags} -lpthread"
-%cmake %{?_cmake_skip_rpath} .. \
+%cmake %{?_cmake_skip_rpath} \
+  -DCMAKE_BUILD_TYPE=Release \
   -DBUILD_DOCUMENTATION=ON \
   -DBUILD_PLAYERCC=ON \
   -DSWIG_EXECUTABLE=/usr/bin/swig \
@@ -163,13 +164,12 @@ export LDFLAGS="%{?__global_ldflags} -lpthread"
 %endif
   -DLARGE_FILE_SUPPORT=ON \
   -DRUBY_BINDINGS_INSTALL_DIR=%{ruby_vendorarchdir}
-popd
 
-make -C build %{?_smp_mflags}
-make doc -C build
+%cmake_build
+%cmake_build --target doc
 
 %install
-%make_install -C build DESTDIR=%{buildroot}
+%cmake_install
 mkdir -p %{buildroot}/%{_sysconfdir}/%{name}
 mkdir -p %{buildroot}/%{_libdir}/%{name}-%{abiversion}
 mv %{buildroot}/%{_datadir}/%{name}/config %{buildroot}/%{_sysconfdir}/%{name}
@@ -227,7 +227,7 @@ desktop-file-install \
 %license COPYING COPYING.lib
 %doc doc/*.txt
 %doc doc/*.html
-%doc build/doc/player-docs
+%doc %{_vpath_builddir}/doc/player-docs
 
 %files -n ruby-%{name}
 %{ruby_vendorarchdir}/*.so