diff --git a/zopfli.spec b/zopfli.spec
index c6000f1..1b611e1 100644
--- a/zopfli.spec
+++ b/zopfli.spec
@@ -1,3 +1,4 @@
+%undefine __cmake_in_source_build
 %global so_ver 1.0.3
 
 Name:           zopfli
@@ -32,16 +33,13 @@ Devolopment files for zopfli and zopflipng.
 %autosetup -n %{name}-%{name}-%{version}
 
 %build
-mkdir build && cd build
-%cmake -DZOPFLI_BUILD_SHARED=ON ..
-%make_build
+%cmake -DZOPFLI_BUILD_SHARED=ON
+%cmake_build
 
 %install
-cd build
-%make_install
+%cmake_install
 
 %files
-%{!?_licensedir:%global license %%doc}
 %license COPYING
 %doc CONTRIBUTORS README README.zopflipng
 %{_bindir}/%{name}