if [[ -n ${GENTOO_VM} ]]; then
        vmpath=/usr/lib/jvm/${GENTOO_VM}/
+       if [[ ! -d ${vmpath} ]]; then
+               echo "Could not find VM at ${vmpath}"
+               echo "Invalid GENTOO_VM most likely"
+               exit 1
+       fi
 elif [[ -h ${HOME}/.gentoo/user-vm ]]; then
        vmpath=${HOME}/.gentoo/user-vm/
+       if [[ ! -d ${vmpath} ]]; then
+               echo "${vmpath} does not exist!"
+               echo "Please reset your user VM with java-config"
+               exit 1
+       fi
 else
        vmpath=/etc/java-config/system-vm/
+       if [[ ! -d ${vmpath} ]]; then
+               echo "${vmpath} does not exist!"
+               echo "Please set your system VM with java-config"
+               exit 1
+       fi
 fi