diff --git a/api/kubernetes/cli/namespace.go b/api/kubernetes/cli/namespace.go
index b78276ca5..a3fcfe211 100644
--- a/api/kubernetes/cli/namespace.go
+++ b/api/kubernetes/cli/namespace.go
@@ -8,6 +8,7 @@ import (
 	"github.com/pkg/errors"
 	portainer "github.com/portainer/portainer/api"
 	models "github.com/portainer/portainer/api/http/models/kubernetes"
+	"github.com/portainer/portainer/api/stacks/stackutils"
 	"github.com/rs/zerolog/log"
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
@@ -64,8 +65,8 @@ func (kcl *KubeClient) GetNamespace(name string) (portainer.K8sNamespaceInfo, er
 // CreateNamespace creates a new ingress in a given namespace in a k8s endpoint.
 func (kcl *KubeClient) CreateNamespace(info models.K8sNamespaceDetails) error {
 	portainerLabels := map[string]string{
-		"io.portainer.kubernetes.resourcepool.name":  info.Name,
-		"io.portainer.kubernetes.resourcepool.owner": info.Owner,
+		"io.portainer.kubernetes.resourcepool.name":  stackutils.SanitizeLabel(info.Name),
+		"io.portainer.kubernetes.resourcepool.owner": stackutils.SanitizeLabel(info.Owner),
 	}
 
 	var ns v1.Namespace
diff --git a/api/kubernetes/yaml.go b/api/kubernetes/yaml.go
index 1bde934e9..4a90d1e5c 100644
--- a/api/kubernetes/yaml.go
+++ b/api/kubernetes/yaml.go
@@ -4,11 +4,11 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"regexp"
 	"strconv"
 	"strings"
 
 	"github.com/pkg/errors"
+	"github.com/portainer/portainer/api/stacks/stackutils"
 	"gopkg.in/yaml.v3"
 )
 
@@ -28,19 +28,13 @@ type KubeAppLabels struct {
 	Kind      string
 }
 
-// convert string to valid kubernetes label by replacing invalid characters with periods
-func sanitizeLabel(value string) string {
-	re := regexp.MustCompile(`[^A-Za-z0-9\.\-\_]+`)
-	return re.ReplaceAllString(value, ".")
-}
-
 // ToMap converts KubeAppLabels to a map[string]string
 func (kal *KubeAppLabels) ToMap() map[string]string {
 	return map[string]string{
 		labelPortainerAppStackID: strconv.Itoa(kal.StackID),
-		labelPortainerAppStack:   kal.StackName,
-		labelPortainerAppName:    kal.StackName,
-		labelPortainerAppOwner:   sanitizeLabel(kal.Owner),
+		labelPortainerAppStack:   stackutils.SanitizeLabel(kal.StackName),
+		labelPortainerAppName:    stackutils.SanitizeLabel(kal.StackName),
+		labelPortainerAppOwner:   stackutils.SanitizeLabel(kal.Owner),
 		labelPortainerAppKind:    kal.Kind,
 	}
 }
@@ -49,7 +43,7 @@ func (kal *KubeAppLabels) ToMap() map[string]string {
 func GetHelmAppLabels(name, owner string) map[string]string {
 	return map[string]string{
 		labelPortainerAppName:  name,
-		labelPortainerAppOwner: sanitizeLabel(owner),
+		labelPortainerAppOwner: stackutils.SanitizeLabel(owner),
 	}
 }
 
diff --git a/api/stacks/stackutils/util.go b/api/stacks/stackutils/util.go
index 91c9d464f..5dd5bf4c5 100644
--- a/api/stacks/stackutils/util.go
+++ b/api/stacks/stackutils/util.go
@@ -3,6 +3,7 @@ package stackutils
 import (
 	"fmt"
 	"regexp"
+	"strings"
 
 	portainer "github.com/portainer/portainer/api"
 	"github.com/portainer/portainer/api/filesystem"
@@ -37,10 +38,11 @@ func ResourceControlID(endpointID portainer.EndpointID, name string) string {
 	return fmt.Sprintf("%d_%s", endpointID, name)
 }
 
-// convert string to valid kubernetes label by replacing invalid characters with periods
+// convert string to valid kubernetes label by replacing invalid characters with periods and removing any periods at the beginning or end of the string
 func SanitizeLabel(value string) string {
 	re := regexp.MustCompile(`[^A-Za-z0-9\.\-\_]+`)
-	return re.ReplaceAllString(value, ".")
+	onlyAllowedCharacterString := re.ReplaceAllString(value, ".")
+	return strings.Trim(onlyAllowedCharacterString, ".-_")
 }
 
 // IsGitStack checks if the stack is a git stack or not