diff --git a/mmapper.spec b/mmapper.spec
index 7b5ca3b..97d8734 100644
--- a/mmapper.spec
+++ b/mmapper.spec
@@ -33,22 +33,20 @@ data in real time and show player's position in a map.
 
 
 %build
-mkdir -p %{_target_platform}
-pushd %{_target_platform}
-mkdir -p external/glm/glm-prefix/src
-cp -a %{S:1} external/glm/glm-prefix/src/
+mkdir -p %{__cmake_builddir}/external/glm/glm-prefix/src
+cp -a %{S:1} %{__cmake_builddir}/external/glm/glm-prefix/src/
+
 %{cmake} \
   -DCMAKE_BUILD_TYPE=Release \
   -DWITH_MAP=OFF \
   -DWITH_UPDATER=OFF \
-  ..
-popd
+  %{nil}
 
-%make_build -C %{_target_platform}
+%cmake_build
 
 
 %install
-%make_install -C %{_target_platform}
+%cmake_install
 
 appstream-util validate-relax --nonet $RPM_BUILD_ROOT%{_datadir}/metainfo/org.mume.MMapper.appdata.xml
 desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/org.mume.MMapper.desktop