diff --git a/hermes/deploy.ps1 b/hermes/deploy.ps1
index 260e145..e1a268b 100644
--- a/hermes/deploy.ps1
+++ b/hermes/deploy.ps1
@@ -65,7 +65,8 @@ if (-not (Get-Command docker -ErrorAction SilentlyContinue)) {
 }
 # En PS 5.1, *> $null sobre comandos nativos convierte stderr en errores
 # terminantes con EAP=Stop (PS #4002). Se descarta via cmd /c.
-if (-not (cmd /c "docker info >NUL 2>&1")) {
+$null = cmd /c "docker info >NUL 2>&1"
+if ($LASTEXITCODE -ne 0) {
     Err 'Docker Desktop no responde. Abre Docker Desktop y espera a que arranque.'
     exit 1
 }
diff --git a/openclaw/deploy.ps1 b/openclaw/deploy.ps1
index 86c00d0..fb82875 100644
--- a/openclaw/deploy.ps1
+++ b/openclaw/deploy.ps1
@@ -65,7 +65,8 @@ if (-not (Get-Command docker -ErrorAction SilentlyContinue)) {
 }
 # En PS 5.1, *> $null sobre comandos nativos convierte stderr en errores
 # terminantes con EAP=Stop (PS #4002). Se descarta via cmd /c.
-if (-not (cmd /c "docker info >NUL 2>&1")) {
+$null = cmd /c "docker info >NUL 2>&1"
+if ($LASTEXITCODE -ne 0) {
     Err 'Docker Desktop no responde. Abre Docker Desktop y espera a que arranque.'
     exit 1
 }
diff --git a/openwebui/deploy.ps1 b/openwebui/deploy.ps1
index b1a725a..ba07b25 100644
--- a/openwebui/deploy.ps1
+++ b/openwebui/deploy.ps1
@@ -63,7 +63,8 @@ if (-not (Get-Command docker -ErrorAction SilentlyContinue)) {
 }
 # En PS 5.1, *> $null sobre comandos nativos convierte stderr en errores
 # terminantes con EAP=Stop (PS #4002). Se descarta via cmd /c.
-if (-not (cmd /c "docker info >NUL 2>&1")) {
+$null = cmd /c "docker info >NUL 2>&1"
+if ($LASTEXITCODE -ne 0) {
     Err 'Docker Desktop no responde. Abre Docker Desktop y espera a que arranque.'
     exit 1
 }
diff --git a/wordpress/deploy.ps1 b/wordpress/deploy.ps1
index 9608df3..bb2f4c3 100644
--- a/wordpress/deploy.ps1
+++ b/wordpress/deploy.ps1
@@ -63,7 +63,8 @@ if (-not (Get-Command docker -ErrorAction SilentlyContinue)) {
 }
 # En PS 5.1, *> $null sobre comandos nativos convierte stderr en errores
 # terminantes con EAP=Stop (PS #4002). Se descarta via cmd /c.
-if (-not (cmd /c "docker info >NUL 2>&1")) {
+$null = cmd /c "docker info >NUL 2>&1"
+if ($LASTEXITCODE -ne 0) {
     Err 'Docker Desktop no responde. Abre Docker Desktop y espera a que arranque.'
     exit 1
 }