diff --git a/macos-guest-virtualbox.sh b/macos-guest-virtualbox.sh
index fb0d8cc..de8fb69 100755
--- a/macos-guest-virtualbox.sh
+++ b/macos-guest-virtualbox.sh
@@ -2,7 +2,7 @@
 # Push-button installer of macOS on VirtualBox
 # (c) myspaghetti, licensed under GPL2.0 or higher
 # url: https://github.com/myspaghetti/macos-guest-virtualbox
-# version 0.87.2
+# version 0.87.3
 
 # Requirements: 40GB available storage on host
 # Dependencies: bash >= 4.3, xxd, gzip, unzip, wget, dmg2img,
@@ -123,6 +123,9 @@ if [ -n "$(gcsplit --help 2>/dev/null)" ]; then
     function expr() {
         gexpr "$@"
     }
+    function od() {
+        god "$@"
+    }
 fi
 }