diff --git a/cmd/notary/keys.go b/cmd/notary/keys.go
index a562f984e3..95047a6fa4 100644
--- a/cmd/notary/keys.go
+++ b/cmd/notary/keys.go
@@ -162,8 +162,11 @@ func keysGenerate(cmd *cobra.Command, args []string) {
 		fatalf("must specify a GUN")
 	}
 
-	// (diogo): Validate GUNs
+	//TODO (diogo): Validate GUNs. Don't allow '/' or '\' for now.
 	gun := args[0]
+	if gun[0:1] == "/" || gun[0:1] == "\\" {
+		fatalf("invalid Global Unique Name: %s", gun)
+	}
 
 	_, cert, err := generateKeyAndCert(gun)
 	if err != nil {
diff --git a/cmd/notary/main.go b/cmd/notary/main.go
index 69afe31d05..8b8f9ebed7 100644
--- a/cmd/notary/main.go
+++ b/cmd/notary/main.go
@@ -26,7 +26,7 @@ const tufDir string = configPath + "tuf/"
 var caStore trustmanager.X509Store
 
 func init() {
-	logrus.SetLevel(logrus.DebugLevel)
+	logrus.SetLevel(logrus.ErrorLevel)
 	// Retrieve current user to get home directory
 	usr, err := user.Current()
 	if err != nil {