diff --git a/installinstallmacos.py b/installinstallmacos.py
index de74a67..6990bae 100755
--- a/installinstallmacos.py
+++ b/installinstallmacos.py
@@ -47,7 +47,7 @@ try:
     from packaging.version import LegacyVersion
 except ImportError:
     # python <=3.9
-    from packaging.version import Version as LegacyVersion
+    from distutils.version import LooseVersion as LegacyVersion
 
 try:
     import xattr