diff --git a/f/forth.f b/f/forth.f
deleted file mode 100644
index fa4372ab..00000000
--- a/f/forth.f
+++ /dev/null
@@ -1 +0,0 @@
-: HELLO S" Hello, world!" TELL CR ;
\ No newline at end of file
diff --git a/f/forth.fth b/f/forth.fth
new file mode 100644
index 00000000..8dc77cec
--- /dev/null
+++ b/f/forth.fth
@@ -0,0 +1 @@
+: HELLO ." Hello, world!" CR ;
\ No newline at end of file