diff --git a/.java-version b/.java-version
new file mode 100644
index 0000000..98d9bcb
--- /dev/null
+++ b/.java-version
@@ -0,0 +1 @@
+17
diff --git a/spring-cloud-bus/src/test/java/org/springframework/cloud/bus/BusEnvironmentPostProcessorTests.java b/spring-cloud-bus/src/test/java/org/springframework/cloud/bus/BusEnvironmentPostProcessorTests.java
index b15dfb3..1ae9343 100644
--- a/spring-cloud-bus/src/test/java/org/springframework/cloud/bus/BusEnvironmentPostProcessorTests.java
+++ b/spring-cloud-bus/src/test/java/org/springframework/cloud/bus/BusEnvironmentPostProcessorTests.java
@@ -41,7 +41,7 @@ public class BusEnvironmentPostProcessorTests {
 		assertThat(env.getProperty("spring.cloud.stream.function.bindings." + BUS_CONSUMER + "-in-0")).isEqualTo(INPUT);
 		assertThat(env.getProperty("spring.cloud.stream.bindings." + INPUT + ".destination")).isEqualTo(DESTINATION);
 		assertThat(env.getProperty("spring.cloud.stream.bindings." + OUTPUT + ".destination")).isEqualTo(DESTINATION);
-		assertThat(env.getProperty(BusProperties.PREFIX + ".id")).isEqualTo("application:0:123");
+		assertThat(env.getProperty(BusProperties.PREFIX + ".id")).isEqualTo("application:8080:123");
 		assertThat(env.getPropertySources().contains(OVERRIDES_PROPERTY_SOURCE_NAME));
 		assertThat(env.getPropertySources().contains(DEFAULTS_PROPERTY_SOURCE_NAME));
 	}
@@ -55,7 +55,7 @@ public class BusEnvironmentPostProcessorTests {
 		assertThat(env.getProperty("spring.cloud.stream.function.bindings." + BUS_CONSUMER + "-in-0")).isEqualTo(INPUT);
 		assertThat(env.getProperty("spring.cloud.stream.bindings." + INPUT + ".destination")).isEqualTo(DESTINATION);
 		assertThat(env.getProperty("spring.cloud.stream.bindings." + OUTPUT + ".destination")).isEqualTo(DESTINATION);
-		assertThat(env.getProperty(BusProperties.PREFIX + ".id")).isEqualTo("application:dev:0:123");
+		assertThat(env.getProperty(BusProperties.PREFIX + ".id")).isEqualTo("application:dev:8080:123");
 		assertThat(env.getPropertySources().contains(OVERRIDES_PROPERTY_SOURCE_NAME));
 		assertThat(env.getPropertySources().contains(DEFAULTS_PROPERTY_SOURCE_NAME));
 	}