diff --git a/schema-registry/spring-cloud-stream-schema-registry-server/src/test/java/org/springframework/cloud/stream/schema/registry/server/SchemaRegistryServerAvroTests.java b/schema-registry/spring-cloud-stream-schema-registry-server/src/test/java/org/springframework/cloud/stream/schema/registry/server/SchemaRegistryServerAvroTests.java
index 4a02dec47..5ad73ef5c 100644
--- a/schema-registry/spring-cloud-stream-schema-registry-server/src/test/java/org/springframework/cloud/stream/schema/registry/server/SchemaRegistryServerAvroTests.java
+++ b/schema-registry/spring-cloud-stream-schema-registry-server/src/test/java/org/springframework/cloud/stream/schema/registry/server/SchemaRegistryServerAvroTests.java
@@ -26,6 +26,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Optional;
+import java.util.function.Predicate;
 import java.util.stream.Stream;
 
 import org.apache.avro.Schema.Parser;
@@ -120,7 +121,7 @@ public class SchemaRegistryServerAvroTests {
 	public void setUp() {
 
 		String scheme = Optional.ofNullable(this.serverProperties.getSsl())
-				.filter(Ssl::isEnabled)
+				.filter(ssl -> ssl.isEnabled())
 				.map(ssl -> "https").orElse("http");
 
 		Integer port = this.serverProperties.getPort();