diff --git a/functions/public/Invoke-WPFUIElements.ps1 b/functions/public/Invoke-WPFUIElements.ps1
index 240cbd62..9c7f00ab 100644
--- a/functions/public/Invoke-WPFUIElements.ps1
+++ b/functions/public/Invoke-WPFUIElements.ps1
@@ -441,7 +441,7 @@ function Invoke-WPFUIElements {
 
                         $sync[$entryInfo.Name].Add_Unchecked({
                             [System.Object]$Sender = $args[0]
-                            Invoke-WPFSelectedCheckboxesUpdate -type "Remove" -checkbox $Sender.name
+                            Invoke-WPFSelectedCheckboxesUpdate -type "Remove" -checkboxName $Sender.name
                         })
                     }
                 }