diff --git a/hyper-v.changes b/hyper-v.changes
index 56e44f3..2f3ed70 100644
--- a/hyper-v.changes
+++ b/hyper-v.changes
@@ -19,6 +19,12 @@ Mon Mar 26 19:05:48 CEST 2012 - ohering@suse.de
 - update hv_kvp_daemon to 3.4-rc1 state
   use a copy linux/hyperv.h to compile the daemon
 
+-------------------------------------------------------------------
+Thu Dec  8 17:46:21 CET 2011 - ohering@suse.de
+
+- do not package modprobe.conf rule in main package
+  prevents loading of ata_piix which is required for cdrom access
+
 -------------------------------------------------------------------
 Fri Nov 18 21:49:57 CET 2011 - ohering@suse.de
 
diff --git a/hyper-v.spec b/hyper-v.spec
index 8db7dc0..ba30877 100644
--- a/hyper-v.spec
+++ b/hyper-v.spec
@@ -17,6 +17,7 @@
 
 
 %define with_kmp 0
+%define with_modprobe 0
 %if %{with_kmp}
 %define with_drivers_in_kmp 0
 %endif
@@ -127,16 +128,20 @@ install -m755 %{hv_kvp_daemon} $RPM_BUILD_ROOT/usr/sbin
 mkdir -p $RPM_BUILD_ROOT/etc/init.d
 install -m755 %{S:11} $RPM_BUILD_ROOT/etc/init.d/%{hv_kvp_daemon}
 ln -sfvbn ../../etc/init.d/%{hv_kvp_daemon} $RPM_BUILD_ROOT/usr/sbin/rc%{hv_kvp_daemon}
+%if %{with_modprobe}
 mkdir -p $RPM_BUILD_ROOT/etc/modprobe.d
 install -m644 %SOURCE1 $RPM_BUILD_ROOT/etc/modprobe.d/hyperv_pvdrivers.conf
+%endif
 
 %files
 %defattr (-,root,root)
 %doc kvptest.ps1.txt
+%if %{with_modprobe}
 %if !%{with_kmp}
 %dir /etc/modprobe.d
 %config /etc/modprobe.d/hyperv_pvdrivers.conf
 %endif
+%endif
 /etc/init.d/%{hv_kvp_daemon}
 /usr/sbin/rc%{hv_kvp_daemon}
 /usr/sbin/%{hv_kvp_daemon}