diff --git a/examples/lang/pkg1.mcl b/examples/lang/pkg1.mcl
index 7c4e5725..c70543e0 100644
--- a/examples/lang/pkg1.mcl
+++ b/examples/lang/pkg1.mcl
@@ -1,4 +1,6 @@
+import "os"
+
 pkg "cowsay" {
 	state => "installed",
-	allowunsupported => true,
+	allowunsupported => os.is_debian() ?: true,
 }