diff --git a/handlers_nats.go b/handlers_nats.go
index 1033fe6..c59bd33 100644
--- a/handlers_nats.go
+++ b/handlers_nats.go
@@ -616,7 +616,13 @@ func processesEventHandler(m *nats.Msg, message *RequestMessage) error {
 // If payload contains only name of the tech the default version for given image is selected.
 // Otherwise it can be passed in format tech:version.
 func enableTechEventHandler(m *nats.Msg, message *RequestMessage) error {
-	if !regexp.Match("[a-z0-9A-Z]*:?[0-9\.\-]*", []byte(message.Payload)) {
+	matched, err := regexp.Match(`[a-z0-9A-Z]*:?[0-9\.\-]*`, []byte(message.Payload))
+	if err != nil {
+		log.Println("ERROR enable tech problem: " + err.Error())
+		publish(message.AppName, "backend problem", true)
+		return err
+	}
+	if !matched {
 		return errors.New("payload malformation, it has to be in format tech:version")
 	}
 
@@ -633,7 +639,7 @@ func enableTechEventHandler(m *nats.Msg, message *RequestMessage) error {
 		version = parts[1]
 	}
 
-	err := waitForApp(message.AppName)
+	err = waitForApp(message.AppName)
 	if err != nil {
 		log.Println("ERROR enable tech problem: " + err.Error())
 		publish(message.AppName, "backend problem", true)