diff --git a/docker.ps1 b/docker.ps1
index e70046b..46a68be 100644
--- a/docker.ps1
+++ b/docker.ps1
@@ -56,6 +56,13 @@ param(
 $ErrorActionPreference = 'Stop'
 $Root = $PSScriptRoot
 
+# Refresh PATH from the registry so `docker` resolves even in a terminal opened
+# before Docker Desktop was installed (a common first-run gotcha).
+$env:Path = (@(
+        [Environment]::GetEnvironmentVariable('Path', 'Machine'),
+        [Environment]::GetEnvironmentVariable('Path', 'User')
+    ) | Where-Object { $_ }) -join ';'
+
 function Write-Step($m) { Write-Host "==> $m" -ForegroundColor Cyan }
 function Write-Ok($m)   { Write-Host "  + $m" -ForegroundColor Green }
 function Write-Warn2($m){ Write-Host "  ! $m" -ForegroundColor Yellow }