diff --git a/apis/apps/v1beta4/rebalance_conversion.go b/apis/apps/v1beta4/rebalance_conversion.go
index b81b05e84..fb2c34658 100644
--- a/apis/apps/v1beta4/rebalance_conversion.go
+++ b/apis/apps/v1beta4/rebalance_conversion.go
@@ -36,6 +36,7 @@ func (src *Rebalance) ConvertTo(dstRaw conversion.Hub) error {
 		return err
 	}
 
+	dst.SetGroupVersionKind(v2beta1.GroupVersion.WithKind("Rebalance"))
 	dst.Spec.InstanceKind = "EMQX"
 
 	// +kubebuilder:docs-gen:collapse=rote conversion
@@ -54,6 +55,7 @@ func (dst *Rebalance) ConvertFrom(srcRaw conversion.Hub) error {
 	if err := json.Unmarshal(b, dst); err != nil {
 		return err
 	}
+	dst.SetGroupVersionKind(GroupVersion.WithKind("Rebalance"))
 
 	// +kubebuilder:docs-gen:collapse=rote conversion
 	return nil
diff --git a/apis/apps/v1beta4/rebalance_conversion_test.go b/apis/apps/v1beta4/rebalance_conversion_test.go
index 496ee4c8b..3da2e50c8 100644
--- a/apis/apps/v1beta4/rebalance_conversion_test.go
+++ b/apis/apps/v1beta4/rebalance_conversion_test.go
@@ -28,6 +28,7 @@ func TestConvertTo(t *testing.T) {
 	src := &Rebalance{}
 
 	assert.Nil(t, src.ConvertTo(dst))
+	assert.Equal(t, v2beta1.GroupVersion.Version, dst.GetObjectKind().GroupVersionKind().Version)
 }
 
 func TestConvertFrom(t *testing.T) {
@@ -35,4 +36,5 @@ func TestConvertFrom(t *testing.T) {
 	src := &v2beta1.Rebalance{}
 
 	assert.Nil(t, dst.ConvertFrom(src))
+	assert.Equal(t, GroupVersion.Version, dst.GetObjectKind().GroupVersionKind().Version)
 }