diff --git a/demo4d-gdxapp-desktop/build.gradle b/demo4d-gdxapp-desktop/build.gradle
index 6d164566..8dda28d0 100644
--- a/demo4d-gdxapp-desktop/build.gradle
+++ b/demo4d-gdxapp-desktop/build.gradle
@@ -4,7 +4,7 @@ sourceCompatibility = appJvmCode
 sourceSets.main.java.srcDirs = [ "src/main/"]
 sourceSets.main.resources.srcDirs = ["../demo4d-gdxapp/assets"]
 
-project.ext.mainClassName = "love.distributedrebirth.demo4d.desktop.DesktopLauncher"
+project.ext.mainClassName = "love.distributedrebirth.gdxapp.desktop.DesktopLauncher"
 project.ext.assetsDir = new File("../demo4d-gdxapp/assets")
 
 task run(dependsOn: classes, type: JavaExec) {