diff --git a/steps.go b/steps.go
index dcfd81d..51a2ab1 100644
--- a/steps.go
+++ b/steps.go
@@ -183,14 +183,15 @@ func AddLabelToIstioDestinatonRulesSelector(
 	utils.LogInfo("9. Add the label as a selector in istio destination rules...")
 	currentDestinationRule, err := istioClient.NetworkingV1alpha3().DestinationRules(namespace).Get(context.TODO(), applicationName, v1.GetOptions{})
 
-	if strings.HasSuffix(err.Error(), "not found") {
-		utils.LogSuccess("9. Not Istio rules configured")
-		utils.LogInfo("============================================================")
+	if err != nil {
+		if strings.HasSuffix(err.Error(), "not found") {
+			utils.LogSuccess("9. Not Istio rules configured")
+			utils.LogInfo("============================================================")
+		} else {
+			fmt.Println(err)
+			utils.Check(err)
+		}
 	} else {
-		fmt.Println(currentDestinationRule)
-		fmt.Println(err)
-		utils.Check(err)
-
 		var futureDestinationRule = currentDestinationRule
 		if removeLabel {
 			// Update the value of the label
diff --git a/summary/webapp/router.go b/summary/webapp/router.go
index 076dc2e..f62a889 100644
--- a/summary/webapp/router.go
+++ b/summary/webapp/router.go
@@ -62,12 +62,10 @@ func StartWebServer(
 	err := utils.OpenURL("http://localhost:8080")
 	utils.Check(err)
 
-	httpServerError := make(chan error, 1)
 	go func() {
-		httpServerError <- http.ListenAndServe(":8080", nil)
+		httpServerError := http.ListenAndServe(":8080", nil)
+		if err := httpServerError; err != nil {
+			fmt.Println(err)
+		}
 	}()
-
-	if err := <-httpServerError; err != nil {
-		fmt.Println(err)
-	}
 }
diff --git a/utils/check-arguments.go b/utils/check-arguments.go
index 46cbdf9..a0309eb 100644
--- a/utils/check-arguments.go
+++ b/utils/check-arguments.go
@@ -6,11 +6,11 @@ import (
 )
 
 func CheckLabelKey(key string) error {
-	r, _ := regexp.Compile("^[a-z]{1}[a-z./]*[a-z]{1}$")
+	r, _ := regexp.Compile("^[a-z]{1}[a-z./-]*[a-z]{1}$")
 	if r.MatchString(key) {
 		return nil
 	} else {
-		return fmt.Errorf("The label key does not respect this regex: ^[a-z]{1}[a-z./]*[a-z]{1}$")
+		return fmt.Errorf("The label key does not respect this regex: ^[a-z]{1}[a-z./-]*[a-z]{1}$")
 	}
 }
 
diff --git a/version.go b/version.go
index cdff22c..e850fcd 100644
--- a/version.go
+++ b/version.go
@@ -8,8 +8,8 @@ import (
 	"github.com/fatih/color"
 )
 
-const Version string = "0.1.4"
-const BuildDate string = "2024-08-12"
+const Version string = "0.1.5"
+const BuildDate string = "2024-09-24"
 
 func cliCommandDisplayHelp(args []string) {
 	displayVersion := utils.StringInSlice("-v", args[1:]) || utils.StringInSlice("--version", args[1:])