diff --git a/qemu.changes b/qemu.changes
index fd4d58f..0e69ec4 100644
--- a/qemu.changes
+++ b/qemu.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Aug 15 20:50:02 UTC 2012 - dmueller@suse.com
+
+- avoid installing qemu on a qemu build
+
 -------------------------------------------------------------------
 Tue Jul 31 09:50:25 UTC 2012 - agraf@suse.com
 
diff --git a/qemu.spec b/qemu.spec
index ed26804..5f69d42 100644
--- a/qemu.spec
+++ b/qemu.spec
@@ -71,6 +71,10 @@ BuildRequires:  libattr-devel
 BuildRequires:  libgnutls-devel
 BuildRequires:  libpcap-devel
 BuildRequires:  ncurses-devel
+# we must not install the qemu package when under qemu build
+%if 0%{?qemu_user_space_build:1}
+BuildRequires:  -post-build-checks
+%endif
 %if 0%{?suse_version} >= 1120
 BuildRequires:  zlib-devel-static
 %else