diff --git a/core/cautils/customerloader.go b/core/cautils/customerloader.go
index 4016cbeb..a2a0fe8b 100644
--- a/core/cautils/customerloader.go
+++ b/core/cautils/customerloader.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
+	"regexp"
 	"strings"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -468,7 +469,11 @@ func DeleteConfigFile() error {
 }
 
 func AdoptClusterName(clusterName string) string {
-	return strings.ReplaceAll(clusterName, "/", "-")
+	re, err := regexp.Compile(`[^\w]+`)
+	if err != nil {
+		return clusterName
+	}
+	return re.ReplaceAllString(clusterName, "-")
 }
 
 func getConfigMapName() string {
diff --git a/core/cautils/customerloader_test.go b/core/cautils/customerloader_test.go
index 3a17106f..8a7f1ce5 100644
--- a/core/cautils/customerloader_test.go
+++ b/core/cautils/customerloader_test.go
@@ -191,3 +191,34 @@ func TestLoadConfigFromData(t *testing.T) {
 	}
 
 }
+
+func TestAdoptClusterName(t *testing.T) {
+	tests := []struct {
+		name        string
+		clusterName string
+		want        string
+	}{
+		{
+			name:        "replace 1",
+			clusterName: "my-name__is--ks",
+			want:        "my-name__is-ks",
+		},
+		{
+			name:        "replace 2",
+			clusterName: "my-name1",
+			want:        "my-name1",
+		},
+		{
+			name:        "replace 3",
+			clusterName: "my:name",
+			want:        "my-name",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := AdoptClusterName(tt.clusterName); got != tt.want {
+				t.Errorf("AdoptClusterName() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}