diff --git a/packages/ocaml/4.12.0/compile b/packages/ocaml/4.12.0/compile
index c1d3e6a..39ddd0b 100644
--- a/packages/ocaml/4.12.0/compile
+++ b/packages/ocaml/4.12.0/compile
@@ -1,3 +1,5 @@
 #!/bin/bash
 
-ocamlc -o out "$@"
+rename 's/$/\.ml/' "$@" # Add .ml extension
+
+ocamlc -o out *.ml