diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/CoreTest.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/CoreTest.java
index c62dd256..9cb9e824 100644
--- a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/CoreTest.java
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/CoreTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2019 the original author or authors.
+ * Copyright 2013-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,7 +22,6 @@ import java.util.Map;
 import io.fabric8.kubernetes.api.model.ConfigMapBuilder;
 import io.fabric8.kubernetes.api.model.SecretBuilder;
 import io.fabric8.kubernetes.client.Config;
-import io.fabric8.kubernetes.client.DefaultKubernetesClient;
 import io.fabric8.kubernetes.client.KubernetesClient;
 import io.fabric8.kubernetes.client.server.mock.EnableKubernetesMockClient;
 import org.junit.jupiter.api.BeforeAll;
@@ -52,13 +51,6 @@ public class CoreTest {
 	@Autowired
 	private Config config;
 
-	// not a fan of changing the type from KubernetesClient, but because of:
-	// https://github.com/fabric8io/kubernetes-client/issues/3145
-	// there is no way to do it otherwise at this time. When that is fixed, I will fix
-	// this also
-	@Autowired
-	private DefaultKubernetesClient client;
-
 	@BeforeAll
 	public static void setUpBeforeClass() {
 
@@ -89,12 +81,6 @@ public class CoreTest {
 		assertThat(config.isTrustCerts()).isTrue();
 	}
 
-	@Test
-	public void kubernetesClientBeanShouldBeConfigurableViaSystemProperties() {
-		assertThat(client).isNotNull();
-		assertThat(client.getConfiguration().getMasterUrl()).isEqualTo(mockClient.getConfiguration().getMasterUrl());
-	}
-
 	@Test
 	public void propertiesShouldBeReadFromConfigMap() {
 		assertThat(environment.getProperty("spring.kubernetes.test.value")).isEqualTo("value1");
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/CoreTestClientViaSystemProperties.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/CoreTestClientViaSystemProperties.java
new file mode 100644
index 00000000..93ad572d
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/CoreTestClientViaSystemProperties.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2013-2021 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.fabric8.config;
+
+import io.fabric8.kubernetes.client.Config;
+import io.fabric8.kubernetes.client.KubernetesClient;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@ExtendWith(SpringExtension.class)
+@SpringBootTest(classes = TestApplication.class,
+	properties = { "spring.application.name=testapp", "spring.cloud.kubernetes.client.namespace=testns",
+		"spring.cloud.kubernetes.client.trustCerts=true", "spring.cloud.kubernetes.config.namespace=testns",
+		"spring.cloud.kubernetes.secrets.enableApi=true" })
+public class CoreTestClientViaSystemProperties {
+
+	@Autowired
+	private KubernetesClient client;
+
+	@BeforeAll
+	public static void setUpBeforeClass() {
+		System.setProperty(Config.KUBERNETES_MASTER_SYSTEM_PROPERTY, "masterURL");
+	}
+
+	@Test
+	public void kubernetesClientBeanShouldBeConfigurableViaSystemProperties() {
+		assertThat(client).isNotNull();
+		assertThat(client.getConfiguration().getMasterUrl()).isEqualTo("http://masterURL/");
+	}
+
+}