diff --git a/pkg/plugin/deploy/modulus.go b/pkg/plugin/deploy/modulus.go
index 192fccef..4f016e76 100644
--- a/pkg/plugin/deploy/modulus.go
+++ b/pkg/plugin/deploy/modulus.go
@@ -11,10 +11,11 @@ type Modulus struct {
 }
 
 func (m *Modulus) Write(f *buildfile.Buildfile) {
-	f.writeEnv("MODULUS_TOKEN", m.Token)
+	f.WriteEnv("MODULUS_TOKEN", m.Token)
 
 	// Install the Modulus command line interface then deploy the configured
 	// project.
-	f.WriteCmdSilent("npm install -g modulus")
+	f.WriteCmdSilent("[ -f /usr/bin/sudo ] || npm install -g modulus")
+	f.WriteCmdSilent("[ -f /usr/bin/sudo ] && sudo npm install -g modulus")
 	f.WriteCmd(fmt.Sprintf("modulus deploy -p '%s'", m.App))
 }