diff --git a/build.sbt b/build.sbt
index 66eeb4a..e7babee 100644
--- a/build.sbt
+++ b/build.sbt
@@ -203,5 +203,6 @@ val PrepareCICommands = Seq(
 addCommandAlias("ci", CICommands)
 addCommandAlias("preCI", PrepareCICommands)
 addCommandAlias("jar", "clean; coverageOff; assembly")
+addCommandAlias("testJar", "clean; coverageOff; set assembly / mainClass := Some(\"cz.kamenitxan.jakon.Main\"); assembly")
 addCommandAlias("githubTest", "coverageOn; coverage; test; coverageReport; coverageOff;")
 addCommandAlias("outdated", "dependencyUpdates")