diff --git a/labs/lib/osbash/functions.host b/labs/lib/osbash/functions.host
index fb93ef77..a2b0ecbf 100644
--- a/labs/lib/osbash/functions.host
+++ b/labs/lib/osbash/functions.host
@@ -30,9 +30,12 @@ function exec_cmd {
 }
 
 #-------------------------------------------------------------------------------
+function get_base_disk_name {
+    echo "base-$VM_ACCESS-$DISTRO.vdi"
+}
 
 function get_base_disk_path {
-    echo $DISK_DIR/base-$VM_ACCESS-$DISTRO.vdi
+    echo "$DISK_DIR/$(get_base_disk_name)"
 }
 
 #-------------------------------------------------------------------------------