diff --git a/build.gradle b/build.gradle
index 9ea57c82..2e32cd27 100644
--- a/build.gradle
+++ b/build.gradle
@@ -598,7 +598,7 @@ project('splunk') {
 	}
 
 	springBoot  {
-		main = 'org.springframework.integration.samples.splunk.Application'
+        mainClassName = 'org.springframework.integration.samples.splunk.Application'
 	}
 
 	task run(type: JavaExec) {