diff --git a/spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java b/spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java
index 0780f488c1..c77e75fe99 100644
--- a/spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java
+++ b/spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java
@@ -219,7 +219,7 @@ public class TomcatEmbeddedServletContainerFactory extends
 		connector.setPort(port);
 		if (connector.getProtocolHandler() instanceof AbstractProtocol) {
 			if (getAddress() != null) {
-				((AbstractProtocol) connector.getProtocolHandler())
+				((AbstractProtocol<?>) connector.getProtocolHandler())
 						.setAddress(getAddress());
 			}
 		}