diff --git a/test/system/System_ln2.v3 b/test/system/System_ln2.v3
new file mode 100644
index 000000000..9e140610e
--- /dev/null
+++ b/test/system/System_ln2.v3
@@ -0,0 +1,7 @@
+def main(arg: Array<string>) -> int {
+	System.puts("System.ln");
+	System.ln();
+	return 0;
+}
+export def foo() { // unused def to ensure wasm-wave behavior
+}
diff --git a/test/system/System_ln2.v3.out b/test/system/System_ln2.v3.out
new file mode 100644
index 000000000..09d20d093
--- /dev/null
+++ b/test/system/System_ln2.v3.out
@@ -0,0 +1 @@
+System.ln