diff --git a/desktop/build.gradle.kts b/desktop/build.gradle.kts
index f88dec330c..ef05ef7f60 100644
--- a/desktop/build.gradle.kts
+++ b/desktop/build.gradle.kts
@@ -25,7 +25,10 @@ val deployFolder = file("../deploy")
 // and https://github.com/yairm210/Unciv/issues/5679
 val jvmArgsForMac = listOf("-XstartOnFirstThread", "-Djava.awt.headless=true")
 tasks.register<JavaExec>("run") {
-    jvmArgs = jvmArgsForMac
+    jvmArgs = mutableListOf<String>()
+    if ("mac" in System.getProperty("os.name").toLowerCase())
+        (jvmArgs as MutableList<String>).addAll(jvmArgsForMac)
+        // These are non-standard, only available/necessary on Mac.
 
     dependsOn(tasks.getByName("classes"))
 
@@ -159,4 +162,4 @@ tasks.register<Zip>("zipLinuxFilesForJar") {
     archiveFileName.set("linuxFilesForJar.zip")
     from(file("linuxFilesForJar"))
     destinationDirectory.set(deployFolder)
-}
\ No newline at end of file
+}