diff --git a/scripts/Common/Scripts/Software.ps1 b/scripts/Common/Scripts/Software.ps1
index c04960d5..3d0f9c22 100644
--- a/scripts/Common/Scripts/Software.ps1
+++ b/scripts/Common/Scripts/Software.ps1
@@ -205,7 +205,7 @@ $null = New-Module {
         )
 
         [InstallerAction] $Action = & {
-            if ($Action.HasValue) {
+            if ($null -ne $Action) {
                 $Action;
             } else {
                 [InstallerAction]::Install;
diff --git a/scripts/Windows/OS/Install.ps1 b/scripts/Windows/OS/Install.ps1
index 4bb69dcd..0a02915c 100644
--- a/scripts/Windows/OS/Install.ps1
+++ b/scripts/Windows/OS/Install.ps1
@@ -175,13 +175,13 @@ $null = New-Module {
                     #>
                     function Deploy-SoftwareAction {
                         param(
-                            [InstallerAction] $Action
+                            [InstallerAction] $Action = $null
                         )
 
                         [bool] $install = $null;
                         $arguments = [hashtable]@{ };
 
-                        if ($Action) {
+                        if ($null -ne $Action) {
                             $install = ($Action -eq ([InstallerAction]::Install));
                             $null = $arguments.Add("action", $Action);
                         } else {