diff --git a/cli/app/upgrade.go b/cli/app/upgrade.go
index d3e66ee5..f60a775d 100644
--- a/cli/app/upgrade.go
+++ b/cli/app/upgrade.go
@@ -98,7 +98,7 @@ recipes.
 		}
 
 		var availableUpgrades []string
-		if deployedVersion == "uknown" {
+		if deployedVersion == "unknown" {
 			availableUpgrades = versions
 			logrus.Warnf("failed to determine version of deployed %s", app.Name)
 		}