diff --git a/SRPMS/virtualbox-extension-pack/distroutils.sysconfig.in b/SRPMS/virtualbox-extension-pack/distroutils.sysconfig.in
index 33c0a68..47a7634 100644
--- a/SRPMS/virtualbox-extension-pack/distroutils.sysconfig.in
+++ b/SRPMS/virtualbox-extension-pack/distroutils.sysconfig.in
@@ -3,5 +3,8 @@
 # package name (do not modify unless you know what you're doing)
 VIRTUALBOX_EXTENSION_PACK_PCK=Oracle_VM_VirtualBox_Extension_Pack-${SRPMVERSION["virtualbox-extension-pack"]}.vbox-extpack
 
+# guest additions file name
+VIRTUALBOX_GUEST_ADDITIONS_PCK=VBoxGuestAdditions_${SRPMVERSION["virtualbox-extension-pack"]}.iso
+
 # package URL (do not modify unless you know what you're doing)
 VIRTUALBOX_EXTENSION_PACK_URL=http://download.virtualbox.org/virtualbox/${SRPMVERSION["virtualbox-extension-pack"]}/
diff --git a/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in b/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in
index c3ce288..d9d8d01 100644
--- a/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in
+++ b/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in
@@ -31,6 +31,9 @@ declare -A SRPMVERSION SRPMRELEASE
 wget -nv --timeout=10 --tries=2 \
    ${VIRTUALBOX_EXTENSION_PACK_URL}${VIRTUALBOX_EXTENSION_PACK_PCK} -O ${VIRTUALBOX_EXTENSION_PACK_PCK}
 
+wget -nv --timeout=10 --tries=2 \
+   ${VIRTUALBOX_EXTENSION_PACK_URL}${VIRTUALBOX_GUEST_ADDITIONS_PCK} -O ${VIRTUALBOX_GUEST_ADDITIONS_PCK}
+
 [ -f ${VIRTUALBOX_EXTENSION_PACK_PCK} ] || exit 1
 
 %build
@@ -43,6 +46,9 @@ declare -A SRPMVERSION SRPMRELEASE
 install -D -m0644 ${VIRTUALBOX_EXTENSION_PACK_PCK} %{buildroot}%{_libdir}/VirtualBox/extension/${VIRTUALBOX_EXTENSION_PACK_PCK}
 cp %{S:0} LICENSE
 
+install -D -m0644 ${VIRTUALBOX_GUEST_ADDITIONS_PCK} %{buildroot}%{_libdir}/VirtualBox/additions/VBoxGuestAdditions.iso
+cp %{S:0} LICENSE
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf %{buildroot}
 rm -rf %{_builddir}/%{name}-*
@@ -57,6 +63,7 @@ echo y | VBoxManage extpack install %{_libdir}/VirtualBox/extension/Oracle_VM_Vi
 %files
 %defattr(-,root,root)
 %{_libdir}/VirtualBox/extension/Oracle_VM_VirtualBox_Extension_Pack-%{pck_majver}%{?pck_minver:%pck_minver}.vbox-extpack
+%{_libdir}/VirtualBox/additions/VBoxGuestAdditions.iso
 %doc LICENSE
 
 %changelog