diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/datadog/DatadogProperties.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/datadog/DatadogProperties.java
index 9e4680dff0..5394e5824e 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/datadog/DatadogProperties.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/datadog/DatadogProperties.java
@@ -57,8 +57,8 @@ public class DatadogProperties extends StepRegistryProperties {
 		return this.hostTag;
 	}
 
-	public void setHostKey(String hostKey) {
-		this.hostTag = hostKey;
+	public void setHostTag(String hostTag) {
+		this.hostTag = hostTag;
 	}
 
 	public String getUri() {