diff --git a/lib/versions.ps1 b/lib/versions.ps1
index 21c367dac..92ba6eff9 100644
--- a/lib/versions.ps1
+++ b/lib/versions.ps1
@@ -13,7 +13,7 @@ function versions($app, $global) {
 }
 
 function version($ver) {
-    $ver.split('.-') | % {
+    $ver -split '[\.-]' | % {
         $num = $_ -as [int]
         if($num) { $num } else { $_ }
     }