diff --git a/quazip.spec b/quazip.spec
index 9e5d78c..3485b13 100644
--- a/quazip.spec
+++ b/quazip.spec
@@ -1,3 +1,5 @@
+%undefine __cmake_in_source_build
+
 Name:		quazip
 Version:	0.7.6
 Release:	7%{?dist}
@@ -63,19 +65,13 @@ for developing applications that use %{name}.
 %autosetup -p1
 
 %build
-mkdir build-qt4
-pushd build-qt4
-%cmake .. -DBUILD_WITH_QT4:BOOL=ON
-
-%make_build
-popd
-
-mkdir build-qt5
-pushd build-qt5
-%cmake .. -DBUILD_WITH_QT4:BOOL=OFF
+%global _vpath_builddir build-qt4
+%cmake -DBUILD_WITH_QT4:BOOL=ON
+%cmake_build
 
-%make_build
-popd
+%global _vpath_builddir build-qt5
+%cmake -DBUILD_WITH_QT4:BOOL=OFF
+%cmake_build
 
 doxygen Doxyfile
 for file in doc/html/*; do
@@ -83,8 +79,10 @@ for file in doc/html/*; do
 done
 
 %install
-make install/fast DESTDIR=%{buildroot} -C build-qt5
-make install/fast DESTDIR=%{buildroot} -C build-qt4
+%global _vpath_builddir build-qt4
+%cmake_install
+%global _vpath_builddir build-qt5
+%cmake_install
 
 %ldconfig_scriptlets