@@ -54,7 +54,7 @@ function _neutron_ovs_base_install_ubuntu_dkms {

     local kernel_major_minor

     kernel_major_minor=`echo $kernel_version | cut -d. -f1-2`

     # From kernel 3.13 on, openvswitch-datapath-dkms is not needed

-    if vercmp '$kernel_major_minor' '<' '3.13'; then

+    if vercmp "$kernel_major_minor" "<" "3.13" ; then

         install_package "dkms openvswitch-datapath-dkms linux-headers-$kernel_version"

     fi

 }