--- a/dune	2022-03-21 21:07:36.326440959 +0100
+++ b/dune	2022-03-21 21:07:46.650295407 +0100
@@ -45,7 +45,7 @@
    %{workspace_root}
    (with-stdout-to
     %{target}
-    (system "%{bin:gcc} -x c -E _curses.ml")))))
+    (system "%{cc} -x c -E _curses.ml")))))
 
 (rule
  (targets c_flags.sexp c_library_flags.sexp config.ml _config.h)