diff --git a/playbook/shopfloor-setup/common/lib/Install-FromManifest.ps1 b/playbook/shopfloor-setup/common/lib/Install-FromManifest.ps1
index d262587..3cef4f4 100644
--- a/playbook/shopfloor-setup/common/lib/Install-FromManifest.ps1
+++ b/playbook/shopfloor-setup/common/lib/Install-FromManifest.ps1
@@ -315,7 +315,7 @@ function Invoke-InstallerAction {
                         Write-InstallLog "  WaitTimeoutSec=$($App.WaitTimeoutSec) reached - killing wrapper, will re-check detection" 'WARN'
                         try { $proc.Kill(); $proc.WaitForExit(5000) | Out-Null } catch {}
                         Start-Sleep -Seconds 2
-                        if (Test-Installed -App $App) {
+                        if (Test-AppInstalled -App $App) {
                             Write-InstallLog "  detection passes post-kill - treating as success"
                             $exitCode = 0
                         } else {