diff --git a/pkg/internal/apis/config/encoding/load_test.go b/pkg/internal/apis/config/encoding/load_test.go
index 693e5dbb7d..603fddd6d3 100644
--- a/pkg/internal/apis/config/encoding/load_test.go
+++ b/pkg/internal/apis/config/encoding/load_test.go
@@ -107,6 +107,11 @@ func TestLoadCurrent(t *testing.T) {
 			Path:        "./testdata/v1alpha4/valid-kind-workers-patches.yaml",
 			ExpectError: false,
 		},
+		{
+			TestName:    "v1alpha4 config with port mapping and mount",
+			Path:        "./testdata/v1alpha4/valid-port-and-mount.yaml",
+			ExpectError: false,
+		},
 		{
 			TestName:    "v1alpha4 non-existent field",
 			Path:        "./testdata/v1alpha4/invalid-bogus-field.yaml",
diff --git a/pkg/internal/apis/config/encoding/testdata/v1alpha4/valid-port-and-mount.yaml b/pkg/internal/apis/config/encoding/testdata/v1alpha4/valid-port-and-mount.yaml
new file mode 100644
index 0000000000..40a4a24e33
--- /dev/null
+++ b/pkg/internal/apis/config/encoding/testdata/v1alpha4/valid-port-and-mount.yaml
@@ -0,0 +1,12 @@
+kind: Cluster
+apiVersion: kind.x-k8s.io/v1alpha4
+nodes:
+- role: control-plane
+  # map an extra port
+  extraPortMappings:
+  - hostPort: 80
+    containerPort: 80
+  # mount an extra path from the host
+  extraMounts:
+  - hostPath: ./foo
+    containerPath: /bar
\ No newline at end of file