diff --git a/samples/boot/gemfire-with-gfsh-servers/spring-session-sample-boot-gemfire-with-gfsh-servers.gradle b/samples/boot/gemfire-with-gfsh-servers/spring-session-sample-boot-gemfire-with-gfsh-servers.gradle
index fd7b78f..efb27da 100644
--- a/samples/boot/gemfire-with-gfsh-servers/spring-session-sample-boot-gemfire-with-gfsh-servers.gradle
+++ b/samples/boot/gemfire-with-gfsh-servers/spring-session-sample-boot-gemfire-with-gfsh-servers.gradle
@@ -26,7 +26,7 @@ dependencies {
 }
 
 bootJar {
-	mainClassName = 'sample.client.Application'
+	mainClass = 'sample.client.Application'
 }
 
 processResources {