diff --git a/virtualbox.changes b/virtualbox.changes
index fe43a24..d22589c 100644
--- a/virtualbox.changes
+++ b/virtualbox.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed May  6 15:51:43 UTC 2015 - tchvatal@suse.com
+
+- Split kmk call to multiple lines
+
 -------------------------------------------------------------------
 Wed May  6 15:40:52 UTC 2015 - tchvatal@suse.com
 
diff --git a/virtualbox.spec b/virtualbox.spec
index a14aedf..06ffbc1 100644
--- a/virtualbox.spec
+++ b/virtualbox.spec
@@ -310,7 +310,15 @@ source ./env.sh
 #  	VBOX_PATH_PACKAGE_DOCS set propper path for link to pdf in .desktop file
 # 	VBOX_WITH_REGISTRATION_REQUEST= VBOX_WITH_UPDATE_REQUEST= just disable some functionality in gui
 echo "build basic parts"
-%{_bindir}/kmk %{?_smp_mflags} VBOX_JAVA_HOME=%{_sysconfdir}/alternatives/java_sdk_openjdk/ VBOX_GCC_WERR= KBUILD_VERBOSE=2 VBOX_WITH_REGISTRATION_REQUEST= VBOX_WITH_UPDATE_REQUEST= TOOL_YASM_AS=yasm VBOX_PATH_PACKAGE_DOCS=%{_docdir}/virtualbox all
+%{_bindir}/kmk %{?_smp_mflags} \
+    VBOX_JAVA_HOME=%{_sysconfdir}/alternatives/java_sdk_openjdk/ \
+    VBOX_GCC_WERR= \
+    KBUILD_VERBOSE=2 \
+    VBOX_WITH_REGISTRATION_REQUEST= VBOX_WITH_UPDATE_REQUEST= \
+    TOOL_YASM_AS=yasm \
+    VBOX_USE_SYSTEM_XORG_HEADERS=1 \
+    VBOX_PATH_PACKAGE_DOCS=%{_docdir}/virtualbox \
+    all
 #
 # build kernel modules for guest and host (check novel-kmp package as example)
 # host  modules : vboxdrv,vboxnetflt,vboxnetadp