diff --git a/images.CI/macos/select-datastore.ps1 b/images.CI/macos/select-datastore.ps1
index cc7af8efa..feec67bc9 100644
--- a/images.CI/macos/select-datastore.ps1
+++ b/images.CI/macos/select-datastore.ps1
@@ -67,7 +67,7 @@ function Select-DataStore {
     $availableDatastores = $availableClusterDatastores `
     | Where-Object { $_.FreeSpaceGB -ge $thresholdInGb } `
     | Where-Object {
-        $vmOnDatastore = @((Get-ChildItem -Path $_.DatastoreBrowserPath).Name -notmatch "^\.").Count
+        $vmOnDatastore = @((Get-ChildItem -Path $_.DatastoreBrowserPath).Name -notmatch '(^\.|vmkdump)').Count
         $vmOnDatastore -lt $vmCount } `
     | Group-Object -Property { $vmOnDatastore }