diff --git a/exercises/ex04/trout/.#util.c b/exercises/ex04/trout/.#util.c
new file mode 100644
index 00000000..206c9b5d
--- /dev/null
+++ b/exercises/ex04/trout/.#util.c
@@ -0,0 +1 @@
+downey@rocky.colby.edu.25374:1