diff --git a/labs/lib/osbash/virtualbox.functions b/labs/lib/osbash/virtualbox.functions
index d27967c9..3b2714be 100644
--- a/labs/lib/osbash/virtualbox.functions
+++ b/labs/lib/osbash/virtualbox.functions
@@ -698,7 +698,11 @@ function vbox_boot {
     local VM=$1
 
     echo >&2 "Starting VM \"$VM\""
-    $VBM startvm "$VM"
+    if [ -n "${VM_UI:-}" ]; then
+        $VBM startvm "$VM" --type "$VM_UI"
+    else
+        $VBM startvm "$VM"
+    fi
 }
 
 #-------------------------------------------------------------------------------
diff --git a/labs/osbash.sh b/labs/osbash.sh
index 9420a539..3f9144e1 100755
--- a/labs/osbash.sh
+++ b/labs/osbash.sh
@@ -56,11 +56,13 @@ function print_config {
         ${OSBASH:+:} echo "no"
 
         echo "VM access method: $VM_ACCESS"
+
+        echo "GUI type: ${VM_UI:-gui}"
     fi
 
 }
 
-while getopts :e:fhnw opt; do
+while getopts :e:fg:hnw opt; do
     case $opt in
         e)
             if [ "$OPTARG" = ova ]; then
@@ -77,6 +79,15 @@ while getopts :e:fhnw opt; do
             wbatch_reset
             unset OSBASH
             ;;
+        g)
+            if [[ "$OPTARG" =~ (headless|gui|sdl) ]]; then
+                VM_UI=$OPTARG
+            else
+                echo "Error: -g argument must be gui (default), sdl, or" \
+                        "headless"
+                exit
+            fi
+            ;;
         h)
             usage
             ;;