diff --git a/SRPMS/virtualbox-extension-pack/distroutils.sysconfig b/SRPMS/virtualbox-extension-pack/distroutils.sysconfig
index 734937b..c327292 100644
--- a/SRPMS/virtualbox-extension-pack/distroutils.sysconfig
+++ b/SRPMS/virtualbox-extension-pack/distroutils.sysconfig
@@ -1,7 +1,7 @@
 ## VirtualBox Extension Pack
 
 # package name (do not modify unless you know what you're doing)
-VIRTUALBOX_EXTENSION_PACK_PCK=Oracle_VM_VirtualBox_Extension_Pack-4.1.2-73507.vbox-extpack
+VIRTUALBOX_EXTENSION_PACK_PCK=Oracle_VM_VirtualBox_Extension_Pack-4.1.8.vbox-extpack
 
 # package URL (do not modify unless you know what you're doing)
-VIRTUALBOX_EXTENSION_PACK_URL=http://download.virtualbox.org/virtualbox/4.1.2/
+VIRTUALBOX_EXTENSION_PACK_URL=http://download.virtualbox.org/virtualbox/4.1.8/
diff --git a/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in b/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in
index fdbe3f8..40af656 100644
--- a/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in
+++ b/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in
@@ -46,13 +46,13 @@ cp %{S:0} LICENSE
 
 %post
 VBoxManage extpack uninstall Oracle_VM_VirtualBox_Extension_Pack || true
-VBoxManage extpack install /opt/VirtualBox/extension/Oracle_VM_VirtualBox_Extension_Pack-%{pck_majver}-%{pck_minver}.vbox-extpack
+VBoxManage extpack install /opt/VirtualBox/extension/Oracle_VM_VirtualBox_Extension_Pack-%{pck_majver}%{?pck_minver:%pck_minver}.vbox-extpack
 # --replace not working
 :
 
 %files
 %defattr(-,root,root)
-/opt/VirtualBox/extension/Oracle_VM_VirtualBox_Extension_Pack-%{pck_majver}-%{pck_minver}.vbox-extpack
+/opt/VirtualBox/extension/Oracle_VM_VirtualBox_Extension_Pack-%{pck_majver}%{?pck_minver:%pck_minver}.vbox-extpack
 %doc LICENSE
 
 %changelog
diff --git a/SRPMSVERSIONS b/SRPMSVERSIONS
index fb5ee0d..4ff991a 100644
--- a/SRPMSVERSIONS
+++ b/SRPMSVERSIONS
@@ -1,4 +1,4 @@
 FLASHPLUGIN_VERSION=11.1.102.62
 WIN32CODECS_VERSION=20110131
 SKYPE_VERSION=2.2.0.35
-VIRTUALBOX_EXTENSION_PACK_VERSION=4.1.2.73507
+VIRTUALBOX_EXTENSION_PACK_VERSION=4.1.8