diff --git a/example/build.gradle.kts b/example/build.gradle.kts
index 442fafd..64e6b2b 100644
--- a/example/build.gradle.kts
+++ b/example/build.gradle.kts
@@ -6,7 +6,7 @@ plugins {
 }
 
 application {
-    mainClassName = "io.ktor.server.netty.EngineMain"
+    mainClass.set("io.ktor.server.netty.EngineMain")
 }
 
 repositories {