diff --git a/spring-cloud-sleuth-zipkin/src/main/java/org/springframework/cloud/sleuth/zipkin2/sender/ZipkinSenderCondition.java b/spring-cloud-sleuth-zipkin/src/main/java/org/springframework/cloud/sleuth/zipkin2/sender/ZipkinSenderCondition.java
index 9dc682eac..6c2f57ae1 100644
--- a/spring-cloud-sleuth-zipkin/src/main/java/org/springframework/cloud/sleuth/zipkin2/sender/ZipkinSenderCondition.java
+++ b/spring-cloud-sleuth-zipkin/src/main/java/org/springframework/cloud/sleuth/zipkin2/sender/ZipkinSenderCondition.java
@@ -43,7 +43,7 @@ class ZipkinSenderCondition extends SpringBootCondition {
 			return ConditionOutcome.match(message.because("automatic sender type"));
 		}
 		String senderType = getType(((AnnotationMetadata) md).getClassName());
-		if (property.equals(senderType)) {
+		if (property.equalsIgnoreCase(senderType)) {
 			return ConditionOutcome.match(message.because(property + " sender type"));
 		}
 		return ConditionOutcome.noMatch(message.because(property + " sender type"));
diff --git a/spring-cloud-sleuth-zipkin/src/test/java/org/springframework/cloud/sleuth/zipkin2/ZipkinAutoConfigurationTests.java b/spring-cloud-sleuth-zipkin/src/test/java/org/springframework/cloud/sleuth/zipkin2/ZipkinAutoConfigurationTests.java
index 17907d59d..aefebd456 100644
--- a/spring-cloud-sleuth-zipkin/src/test/java/org/springframework/cloud/sleuth/zipkin2/ZipkinAutoConfigurationTests.java
+++ b/spring-cloud-sleuth-zipkin/src/test/java/org/springframework/cloud/sleuth/zipkin2/ZipkinAutoConfigurationTests.java
@@ -152,6 +152,22 @@ public class ZipkinAutoConfigurationTests {
 		context.close();
 	}
 
+	@Test
+	public void canOverrideBySenderAndIsCaseInsensitive() throws Exception {
+		context = new AnnotationConfigApplicationContext();
+		addEnvironment(context, "spring.zipkin.sender.type:WEB");
+		context.register(
+				PropertyPlaceholderAutoConfiguration.class,
+				RabbitAutoConfiguration.class,
+				KafkaAutoConfiguration.class,
+				ZipkinAutoConfiguration.class);
+		context.refresh();
+
+		then(context.getBean(Sender.class).getClass().getName()).contains("RestTemplateSender");
+
+		context.close();
+	}
+
 	@Test
 	public void rabbitWinsWhenKafkaPresent() throws Exception {
 		context = new AnnotationConfigApplicationContext();