diff --git a/build.sbt b/build.sbt
index 64e9afc..7fb5741 100644
--- a/build.sbt
+++ b/build.sbt
@@ -66,10 +66,10 @@ ThisBuild / githubWorkflowBuild := Seq(WorkflowStep.Sbt(List("${{ matrix.ci }}")
 
 replaceCommandAlias("ci", ciVariants.mkString("; ", "; ", ""))
 
-addCommandAlias("ciNode", "; set useJSEnv := JSEnv.NodeJS; core/test; core/doc")
-addCommandAlias("ciFirefox", "; set useJSEnv := JSEnv.Firefox; all core/test webworker/test; set useJSEnv := JSEnv.NodeJS")
-addCommandAlias("ciChrome", "; set useJSEnv := JSEnv.Chrome; all core/test webworker/test; set useJSEnv := JSEnv.NodeJS")
-addCommandAlias("ciJSDOMNodeJS", "; set useJSEnv := JSEnv.JSDOMNodeJS; core/test; set useJSEnv := JSEnv.NodeJS")
+addCommandAlias("ciNode", "; set Global / useJSEnv := JSEnv.NodeJS; test; core/doc")
+addCommandAlias("ciFirefox", "; set Global / useJSEnv := JSEnv.Firefox; test; set Global / useJSEnv := JSEnv.NodeJS")
+addCommandAlias("ciChrome", "; set Global / useJSEnv := JSEnv.Chrome; test; set Global / useJSEnv := JSEnv.NodeJS")
+addCommandAlias("ciJSDOMNodeJS", "; set Global / useJSEnv := JSEnv.JSDOMNodeJS; test; set Global / useJSEnv := JSEnv.NodeJS")
 
 // release configuration
 
@@ -161,6 +161,6 @@ lazy val webworker = project
       "org.scalameta" %%% "munit" % MUnitVersion % Test,
     ),
     (Test / test) := (Test / test).dependsOn(Compile / fastOptJS).value,
-    buildInfoKeys := Seq[BuildInfoKey](scalaVersion, baseDirectory),
+    buildInfoKeys := Seq(scalaVersion, baseDirectory, BuildInfoKey("isBrowser" -> useJSEnv.value.isBrowser)),
     buildInfoPackage := "org.scalajs.macrotaskexecutor")
   .enablePlugins(ScalaJSPlugin, BuildInfoPlugin, NoPublishPlugin)
diff --git a/project/JSEnv.scala b/project/JSEnv.scala
index 4cd815f..ad249de 100644
--- a/project/JSEnv.scala
+++ b/project/JSEnv.scala
@@ -1,7 +1,7 @@
-sealed abstract class JSEnv
+sealed abstract class JSEnv(val isBrowser: Boolean)
 object JSEnv {
-  case object Chrome extends JSEnv
-  case object Firefox extends JSEnv
-  case object JSDOMNodeJS extends JSEnv
-  case object NodeJS extends JSEnv
+  case object Chrome extends JSEnv(true)
+  case object Firefox extends JSEnv(true)
+  case object JSDOMNodeJS extends JSEnv(false)
+  case object NodeJS extends JSEnv(false)
 }
diff --git a/webworker/src/test/scala/org/scalajs/macrotaskexecutor/WebWorkerMacrotaskSuite.scala b/webworker/src/test/scala/org/scalajs/macrotaskexecutor/WebWorkerMacrotaskSuite.scala
index bfc7a49..9d28562 100644
--- a/webworker/src/test/scala/org/scalajs/macrotaskexecutor/WebWorkerMacrotaskSuite.scala
+++ b/webworker/src/test/scala/org/scalajs/macrotaskexecutor/WebWorkerMacrotaskSuite.scala
@@ -20,40 +20,37 @@ import munit.FunSuite
 import org.scalajs.dom.webworkers.Worker
 
 import scala.concurrent.Promise
-import scala.scalajs.js
-import scala.util.Try
 
 class WebWorkerMacrotaskSuite extends FunSuite {
 
   import MacrotaskExecutor.Implicits._
 
   def scalaVersion = if (BuildInfo.scalaVersion.startsWith("2"))
-    BuildInfo.scalaVersion.split("\\.").init.mkString(".")
+    BuildInfo.scalaVersion.split('.').init.mkString(".")
   else
     BuildInfo.scalaVersion
 
   def targetDir = s"${BuildInfo.baseDirectory}/target/scala-${scalaVersion}"
 
-  Try(js.isUndefined(js.Dynamic.global.window.Worker)).toOption
-    .filterNot(identity)
-    .foreach { _ =>
-      test("pass the MacrotaskSuite in a web worker") {
-        val p = Promise[Boolean]()
+  override def munitIgnore = !BuildInfo.isBrowser
 
-        val worker = new Worker(
-          s"file://${targetDir}/scala-js-macrotask-executor-webworker-fastopt/main.js"
-        )
+  test("pass the MacrotaskSuite in a web worker") {
+    val p = Promise[Boolean]()
 
-        worker.onmessage = { event =>
-          event.data match {
-            case log: String      => println(log)
-            case success: Boolean => p.success(success)
-            case _                => ()
-          }
-        }
-
-        p.future.map(assert(_))
+    val worker = new Worker(
+      s"file://${targetDir}/scala-js-macrotask-executor-webworker-fastopt/main.js"
+    )
 
+    worker.onmessage = { event =>
+      event.data match {
+        case log: String      => println(log)
+        case success: Boolean => p.success(success)
+        case _                => ()
       }
     }
+
+    p.future.map(assert(_))
+
+  }
+
 }