diff --git a/src/Installer/VendorInstaller.php b/src/Installer/VendorInstaller.php
index 3f1fb3bc..e7575312 100644
--- a/src/Installer/VendorInstaller.php
+++ b/src/Installer/VendorInstaller.php
@@ -16,6 +16,7 @@
 use MoodlePluginCI\Bridge\MoodlePlugin;
 use MoodlePluginCI\Process\Execute;
 use Symfony\Component\Process\Process;
+use Symfony\Component\Filesystem\Filesystem;
 
 /**
  * Vendor installer.
@@ -119,9 +120,17 @@ public function installNode(): void
             file_put_contents($this->moodle->directory . '/.nvmrc', $reqversion);
         }
 
-        $nvmDir  = getenv('NVM_DIR');
-        $cmd     = ". $nvmDir/nvm.sh && nvm install && nvm use && echo \"NVM_BIN=\$NVM_BIN\"";
+        $nvmDir = "{$this->moodle->directory}/.nvm";
+        (new Filesystem())->mkdir($nvmDir);
+        $cmd     = "curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | NVM_DIR=\"{$nvmDir}\" bash";
+        $process = $this->execute->passThroughProcess(
+            Process::fromShellCommandline($cmd, $this->moodle->directory, null, null, null)
+        );
+        if (!$process->isSuccessful()) {
+            throw new \RuntimeException('nvm installation failed.');
+        }
 
+        $cmd     = ". {$nvmDir}/nvm.sh && nvm install && nvm use && echo \"NVM_BIN=\$NVM_BIN\"";
         $process = $this->execute->passThroughProcess(
             Process::fromShellCommandline($cmd, $this->moodle->directory, null, null, null)
         );