diff --git a/payapi/build.gradle b/payapi/build.gradle
index 123ad8b..18f9d7f 100644
--- a/payapi/build.gradle
+++ b/payapi/build.gradle
@@ -16,12 +16,12 @@
 group = rootProject.group
 version = '1'
 sourceCompatibility = jdkVersion
-def startClass = 'com.supwisdom.dlpay.PayApiApplicationKt'
+def payapiStartClass = 'com.supwisdom.dlpay.PayApiApplicationKt'
 
 println("Build version: $payapiVersion")
 
 bootJar {
-    mainClassName = startClass
+    mainClassName = payapiStartClass
     manifest {
         attributes('Payapi-Version': payapiVersion)
     }