diff --git a/spring-grpc-spring-boot-autoconfigure/src/test/java/org/springframework/grpc/autoconfigure/server/GrpcServerAutoConfigurationTests.java b/spring-grpc-spring-boot-autoconfigure/src/test/java/org/springframework/grpc/autoconfigure/server/GrpcServerAutoConfigurationTests.java
index 300c340..2d77026 100644
--- a/spring-grpc-spring-boot-autoconfigure/src/test/java/org/springframework/grpc/autoconfigure/server/GrpcServerAutoConfigurationTests.java
+++ b/spring-grpc-spring-boot-autoconfigure/src/test/java/org/springframework/grpc/autoconfigure/server/GrpcServerAutoConfigurationTests.java
@@ -134,6 +134,22 @@ class GrpcServerAutoConfigurationTests {
 				.containsExactly(this.serviceDefinition));
 	}
 
+	@Test
+	void whenHasUserDefinedGrpcServiceConfigurerDoesNotAutoConfigureBean() {
+		GrpcServiceConfigurer customGrpcServiceConfigurer = mock(GrpcServiceConfigurer.class);
+		this.contextRunner()
+			.withBean("customGrpcServiceConfigurer", GrpcServiceConfigurer.class, () -> customGrpcServiceConfigurer)
+			.run((context) -> assertThat(context).getBean(GrpcServiceConfigurer.class)
+				.isSameAs(customGrpcServiceConfigurer));
+	}
+
+	@Test
+	void grpcServiceConfigurerAutoConfiguredAsExpected() {
+		this.contextRunnerWithLifecyle()
+			.run((context) -> assertThat(context).getBean(GrpcServiceConfigurer.class)
+				.isInstanceOf(DefaultGrpcServiceConfigurer.class));
+	}
+
 	@Test
 	void whenHasUserDefinedServerBuilderCustomizersDoesNotAutoConfigureBean() {
 		ServerBuilderCustomizers customCustomizers = mock(ServerBuilderCustomizers.class);