diff --git a/m/mercury.m b/m/mercury.m
new file mode 100644
index 00000000..3b86a4f7
--- /dev/null
+++ b/m/mercury.m
@@ -0,0 +1,8 @@
+:- module hello.
+:- interface.
+:- import_module io.
+:- pred main(io::di, io::uo) is det.
+
+:- implementation.
+main(!IO) :-
+	io.write_string("Hello, World!\n", !IO).