diff --git a/pkg/upstream/stack/stack.go b/pkg/upstream/stack/stack.go
index a9b606dd..c48a5ac9 100644
--- a/pkg/upstream/stack/stack.go
+++ b/pkg/upstream/stack/stack.go
@@ -112,7 +112,7 @@ func GetDeployedServicesByName(ctx context.Context, cl *dockerclient.Client, sta
 
 // IsDeployed chekcks whether an appp is deployed or not.
 func IsDeployed(ctx context.Context, cl *dockerclient.Client, stackName string) (bool, string, error) {
-	version := ""
+	version := "unknown"
 	isDeployed := false
 
 	filter := filters.NewArgs()